TV Guide Smithsonian Friday

The show's team flies over California's popular landmarks, providing viewers with a new look at Hearst Castle, Alcatraz Prison and the Golden Gate Bridge.

The show's team flies over the islands, capturing footage of big-wave surfers, pineapple plantations and a live, close-up overhead look at an erupting volcano.

Nebraska's desert plains have become the cornfields and cattle ranges that help feed the planet, and it has given the world Johnny Carson and Warren Buffett.

A tour of America's most popular destinations from above includes the Badlands, Nantucket, the National Mall and more.

The state defined by the Rocky Mountains has some of America's tallest peaks and highest sand dunes, and it is home to the U.S.' largest single-site brewery.

The Buckeye State has served as a haven for Revolutionary War veterans and runaway slaves and the home of a bicycle shop that gave birth to something bigger.

A tour of southern Greece from above highlights the many extraordinary landscapes across the country and seeks to emphasize its ancient and mythical past.

An aerial journey over Crete, the Dodecanese and other eastern islands of Greece features a look at the area's beaches, ancient history, and its residents.

An aerial crew ascends to breathtaking heights to capture footage of the Pindus Mountains and the Aegean Sea in the mysterious north lands of Greece.

An aerial tour of Central Italy reveals the wonders of ancient Rome, the medieval battlefields of Tuscany and Carrara's marble quarries.

A journey of Northern Italy from the sky, including Milan, the canals of Venice, the Dolomites and the coast of Cinque Terre.

Tour the islands of Italy in some of the bluest waters on Earth, that cradled ancient civilizations and come in an assortment of shapes and sizes.

The Southern region of Italy feels like another world with its stunning Greek temples, cities that seem to float and a powerful volcano.

A man starts a voyage around the islands of Ireland on Rathlin, then heads west for Malin Head and Inishtrahull, meeting basking sharks and dolphins.

Eoin visits the woodland of Clare Island where he sets sail through the lush waters of Connemara, where he runs into deserted home to skylarks and reptiles.

Eoin is on the ship and sailing to the islands off County Kerry before heading back south to his home waters off Cork and ending his journey at Fastnet Rock.

Broadcaster David Attenborough takes a close look at the creatures that build the Great Barrier Reef, then he takes to the skies to get a birds-eye view.

David dives beneath the waves to uncover why sharks, sea turtles and dwarf minke whales travel thousands of kilometers to reach the reef.

David presents an outlook on the Great Barrier Reef and how scientists are scrambling to preserve the reef and its extensive ecosystem.

Never-before-seen footage details how scientists and filmmakers braved unpredictable waters to capture footage for a documentary series.

Bill ventures across the snowy landscape of Yellowstone as he shares the hardships the park's wildlife faces when conditions become extreme.

The host reveals how a restoration project and conservationists prevented the extinction of wolves and grizzly bears, who restored Yellowstone's ecosystem.

The winged residents of Yellowstone National Park are showcased as a birds-eye-view reveals the most prominent and beautiful features of the park.

The animals that rely on the Yellowstone River to survive are showcased as the river is followed from the Rocky Mountains to the Missouri River.

In the South Pacific, two islands collectively the size of Colorado offer views of an incredibly diverse landscape with snow-capped mountains and sandy beaches.

The Pacific Coast of Australia is home to Sydney's architectural icons, Byron Bay's iconic beach breaks, white-water adventures and the Great Barrier Reef.

The Smithsonian broadcasting team presents the Extreme Center, which is home to unique landscapes, apex predators, a town built by opals and the nation's Uluru.

The Far South of Australia is home to the rich cultural heritage of Melbourne, a sporting mecca and a brutal island prison known as Hell on Earth.

Western Australia is home to colossal gold mines, massive sheep stations, the world's largest shark, an iconic and spectacular 4x4 trail and Perth.

In the South Pacific, two islands collectively the size of Colorado offer views of an incredibly diverse landscape with snow-capped mountains and sandy beaches.