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Monday, April 3

Gem State treasures sparkle at Idaho Botanical Garden, including CA. 1941 Rolls Royce Wraith center caps & certificate, 1934 All-American basketball team autographs and a Maynard Dixon oil painting, CA. 1913.One is $50,000 to $80,000! Antiques Roadshow Idaho Botanical Garden Hour 1 at 7:00 pm.

Journey to Virginia Beach for vintage finds both local and global, including a John Wayne mug collection, ca. 1960, a 1977 Frank McCarthy On the Owl Hoot Trail oil and 1943-1944 Albert Einstein letters. Which is appraised for up to $100,000? Antiques Roadshow Virginia Beach, Hour 1 at 8:00 pm.

Pati Jinich travels the California part of the US-Mexico border. She meets the fronterizos, or borderlanders, of the golden coast to experience the melding of cultures, cross-border collaborations, and explosive growth. La Frontera with Pati Jinich Fronterizos of the Golden Coast at 9:00 pm.

Brothers Manuel and Valente Valenzuela both volunteered and fought in Vietnam. Fifty years later they are among thousands of veterans who are being deported. The brothers don their uniforms for one last fight, to bring all the veterans back home. Voces on PBS American Exile at 10:00 pm.

Tuesday, April 4

Henry Louis Gates uncovers the lost roots of actors Billy Crudup and Tamera Mowry-Housley, traveling back generations to recount significant events in history - from the American Revolution to the journey of the Mayflower - in a deeply personal way. Finding Your Roots Out of the Past at 7:00 pm.

For nearly 50 years, chemical engineer and inventor Maria Telkes applied her prodigious intellect to harnessing the power of the sun. She designed and built the world's first successfully solar-heated modern residence and identified a promising new chemical that, for the first time, could store solar heat like a battery. And yet, along the way, she was undercut and thwarted by her boss and colleagues - all men - at MIT. Despite these obstacles, Telkes persevered and, upon her death in 1995, held more than 20 patents. She is now recognized as a visionary pioneer in the field of sustainable energy. An unexpected and largely forgotten heroine, Telkes was remarkable in her vision and tenacity - a scientist and a woman in every way ahead of her time. Her research and innovations from the 1930s through the '70s continue to shape how we power our lives today. American Experience The Sun Queen at 8:00 pm.

How America's 20-year investment in Afghanistan culminated in Taliban victory. Drawing on decades of on the ground reporting, and interviews with Taliban and US officials, part one of an investigation of the missteps and consequences. Frontline America and the Taliban, Part 1 at 9:00 pm.

Decorated veteran Jason Johnson's Project K-9 Hero saves retired military and police dogs from being euthanized. The War and Treaty's Michael, who is also a veteran, and Tanya Trotter perform a soulful power ballad honoring Jason and his hero dogs. American Anthems Soldier On All Fours at 10:00 pm.

Wednesday, April 5

Deep in the Heart is a visually stunning celebration of what makes Texas unique - its diverse landscapes and remarkable wildlife behavior that cannot be found anywhere else in the world. Deep in the Heart at 7:00 pm.

Five hundred nautical miles from the North Pole, a research team sets out to measure the world's largest and oldest sea ice floes. Steve is an expedition leader who has led projects in the High Arctic for 40 years. Chris is a polar oceanographer who studies ice floes from a Harvard lab. They know the data, the models, the science. None of that has prepared them for the truth on the ground. The floes are crumbling and collapsing, the old ice is gone. Caught in a frozen maelstrom, something has to give. Beneath The Polar Sun at 9:00 pm.

Austin City Limits presents selected performances from the 21st annual Americana Awards & Honors, recorded live in Nashville. ACL Presents: Americana 21st Annual Honors at 10:00 pm.

Thursday, April 6

Women embraced driving from the start, despite assumptions from early automobile makers that men would be behind the wheel. For them, Route 66 was not just a way of getting from point to point, an opportunity for entrepreneurship, creativity, political activism and independence.From Pueblo women opening up roadside stands in New Mexico to an African American hotelier in Springfield, MO listed in the Green Book, women overcame segregation and gender discrimination to succeed on Route 66. Route 66 Women: The Untold Story of the Mother Road The Origin of Women On Route 66 at 7:00 pm.

Chet visits a town in the piney woods known for designing the famous "Lone Star" flag. He tours a wolf sanctuary, eats meatloaf in the historic district, and then goes "fly boarding" on beautiful Lake Conroe. The Daytripper Conroe, TX at 8:00 pm.

Germany is a land of monumental castles, great palaces and defensive constructions whose walls and legends are still intact today. Stories featured include the alleged madness of the Duke of Bavaria in Neuschwanstein, the escapes of Allied prisoners in Colditz, and the supposed death of the Archbishop Hatto by thousands of rats in the Mouse Tower. Additional castles profiled: Heidelberg, Lichtenstein, Burghausen, Reichenstein, Drachenburg, Kriebstein, and the castle thought to be the home of Frankenstein's monster. Castles: Secrets, Mysteries and Legends Germany at 8:30 pm.

One notable feature of the geography of the United Kingdom is its castles, with a continued legacy history that could fill entire libraries. Delves into the history of some very well-known fortresses,and other less famous ones, all with their astonishing legends, dark mysteries and extraordinary secrets. Fortifications featured include Bodiam, Bamburgh, Fraser, Beaumaris, Caerphilly, Lincoln, Conwy, Fyvie, Kidwelly and Glamis Castle. Castles: Secrets, Mysteries and Legends United Kingdom at 9:30 pm.

The Muslim presence in Spain over several centuries made many of its castles quite unique in many ways. Several Spanish monarchs took advantage of the architectural knowledge of the Arabs who settled on the peninsula to build impregnable defensive jewels. Since the Middle Ages, over 20,000 castles have been built in Spain, where palace intrigues, military crusades, love dramas and family successions became legend. Explore castles such as Loarre, Mota, Coca, Belmonte, Almodovar, Calatrava la Nueva, Manzanares el Real, Olite, Peníscola and the Alcazar of Segovia. Castles: Secrets, Mysteries and Legends Spain at 10:30 pm.

Portugal's castles are closely related to the Order of the Temple and to the creation of Portugal as an independent territory from the Muslim and Spanish kingdoms. The fortresses reveal an Arab influence dating back centuries combined with the Templar presence and Portuguese flair that made these constructions seemingly impregnable. Portugal became the last stronghold of the Knights Templar, whose mysticism and introversion gave birth to mysterious legends in the castles included in this episode: Dos Mouros, San Jorge, Evoramonte, Tomar, Almourol, Marvao, Montemor O' Velho, Braganca, Guimaraes and a special tour of the palaces of Sintras. Castles: Secrets, Mysteries and Legends Portugal at 11:30 pm.

Friday, April 7

Big walls with bright colors and bold designs are transforming and beautifying spaces throughout the capital of Texas. Known for its young and artsy vibe, Austin is bursting with vibrant murals that are energizing the city’s urban architecture. Check out Austin’s contemporary murals and meet the artists who are enlivening the cityscape with their uplifting public art. Muraling Austin Big, Bright & Bold at 7:30 pm.

The story of Christ’s death has dominated western culture for the past 2000 years as recounted by the gospels but, equally, as depicted by the most important artists in history. Displaying some of the greatest artworks ever produced and using the words of the gospels, these specials highlight works from artists such as Caravaggio, Michelangelo, Leonardo, El Greco, Rembrandt, and many more. Shot on location in Jerusalem, the United States and throughout Europe, EASTER IN ART explores the different ways these artists have depicted the Easter story throughout the ages. Easter in Art at 8:00 pm.

Four contemporary artists breathe new life into some of humanity's oldest artforms, icons and monuments, creating paintings, sculptures, and films out of everyday objects and popular culture. Includes Michelle Obama portrait painter Amy Sherald. Art21: Art in the Twenty-First Century Everyday Icons at 9:30 pm.

Saturday, April 8

A giant network of power was created to energize our nation - and in the process, completely transformed life in America. From whale oil to nuclear energy, Gabe finds out just what it takes to give power to the people. Reconnecting Roots Energy: "Enter The Matrix" at 4:30 pm.

Doug is well acquainted with California's San Andreas Fault, having lived on top of it for many years. He takes us to quake-stricken locations like San Francisco as well as places like Santa Barbara, created by the grinding action of the two tectonic plates that meet at the fault. Movement on the fault has shoved rock formations hundreds of miles and built mountain ranges and coastal terraces. Doug’s Geology Journal It's All My Fault at 6:00 pm.

Enjoy highlights from superstar rock band Foo Fighters' 2009 and 2015 episodes of Austin City Limits. Songs include "The Pretender" and "Best of You." Austin City Limits Foo Fighters Rock Austin City Limits at 7:00 pm.

Sir Charles Hakeworth is garrotted at a New Year's Eve masked ball held at Montague Hall by Lord "Monty" and Lady Felicia Montague. A death threat, stating that the Red Death was coming, had already led to Inspector Mallory closing the estate, trapping the killer. Father Brown with the aid of Mrs McCarthy, Sid, and Bunty look to discover the killer from four people who knew Hakeworth would be present; his wife, his doctor, Bunty's friend Ruth Moulton, and Robert, Earl of Finchmore whose father committed suicide after Hakeworth's adulterous affair with Robert's mother. Father Brown sees a figure in a red mask escaping after stabbing Moulton. Lady Felicia, unhappy with her marriage, has a decision to make when a one-way airline ticket to New York arrives from Flambeau. Father Brown The Red Death at 7:59 pm.

The Miss United Britain contest takes a dive when one of the beauty queens is discovered dead in the pool. Sister Boniface Mysteries Crimes and Miss Demeanours at 8:45 pm.

Poirot receives a visit from Miss Mary Marvell, the famous American film star who is in London. She has received three letters, handed to her by a Chinese man, which warn her to return her fabulous diamond, the "Western Star", to where it came from – the left eye of an idol – before the next full moon. Her husband, Gregory Rolf, who bought it in San Francisco, gave Mary the jewel three years ago. The pair are going to stay at the home of Lord and Lady Yardly to discuss the making of a film there and Mary is determined to go with her diamond. The next day, Mary's jewel is stolen from her London hotel. Agatha Christie's Poirot The Adventure of the Western Star at 9:31 pm.

The Royal Family goes on holiday at Fontainebleau. Marie Antoinette discovers du Barry's plan to welcome Provence's betrothed. Antoinette's escalating hostilities with du Barry threaten her relationship with the King. Marie Antoinette Pick a Princess at 10:25 pm.

Join Lucy as she explores how the spontaneous February 1917 popular uprising was the real Russian revolution that swept the Czar from power, not the famed October event in the history books. Lucy Worsley's Royal Myths & Secrets The Romanovs & The Russian Revolution at 11:25 pm.

Sunday, April 9

A southern Utah road trip leads Jeff, Zack, and Dave into a red rock photo safari to capture the beauty of Zion and Bryce Canyon National Parks in early Spring. Blue skies, snow-covered sandstone and off-the-beaten-path discoveries reveal a side of these popular destinations rarely seen. Outside: Beyond the Lens Utah's Zion and Bryce National Parks at 12:00 pm.

Even one of America's most beloved National Parks faces threats from mining, dams, drought and development. From the rim to the river, join us for this rare opportunity to meet Native American Tribes whose origins are here. Raft the canyon's mighty rapids from dam to dam through some of the oldest geology on earth, and learn about this River that provides water and power to 40 million people. Wild Rivers with Tillie The Grand Canyon: A World Treasure at Risk at 12:30 pm.

Tango to Buenos Aires, Argentina, with host Scott Yoo and flutist Alice Dade to explore the evolution of composer Astor Piazzolla's work and the music genre itself as it becomes fused with jazz across time and numerous instruments. Great Performances Now Hear This: Piazzolla's History with Tango at 1:00 pm.

Nurse Crane is shocked when her fitness comes into question during a ventouse training course. Trixie cares for a Hindu mother and her newborn twins, but it's not long before an emergency gastroenteritis outbreak is declared at the maternity home. Call the Midwife at 7:00 pm.

Charlotte attempts to distance herself from Colbourne, but as they are repeatedly thrown into each other's orbit, their chemistry rises along with Ralph's suspicions. Meanwhile, Georgiana is unraveling and makes a surprising decision to protect herself. Sanditon on Masterpiece at 8:00 pm.

Marie Antoinette and Louis are about to make their first official visit to Paris. But the King becomes seriously ill and succession becomes a reality. Du Barry knows that she needs to protect herself from the future Queen of France. Marie Antoinette Queen of France at 9:00 pm.

While Candela tries to free herself of these annoying Visions with the help of an exorcist, Massimo turns to science, convinced he has been struck by a very serious illness. However, when the Visions disappear, both Massimo and Candela feel sad and suffer a degree of nostalgia. Maybe they both really do need these Visions. Love, Inevitably Episode 2 at 10:00 pm.