Smithsonian HD Network

When a Bulgarian airliner is taken over by violent hijackers, the crew and authorities on the ground devise a daring plan to save the airliner.

From pilot error to meltdowns within air traffic control, investigators dig deep into three mid-air collisions that seem to defy logic.

A trio of crashes reveals that when the nuts and bolts of maintenance go unchecked, it can spell catastrophe.

Take a river tour through some of Europe's greatest cities--Budapest, Vienna, and Amsterdam--on Viking Longship Gefjon.

Azamara Journey travels the rivers of Southeast Asia, delivering passengers to exotic cities and hidden treasures that larger cruise ships cannot reach.

One of Holland America Line's largest cruisers makes its debut in the Caribbean, highlighted by a visit to an exclusive private island resort.

Experience romance on a mega cruiser that pampers its guests with the best of Italian design and American convenience.

We follow passengers and crew aboard Viking Star during its two-week tour from Barcelona to its home port in Bergen, Norway.

The new Viking Sea cruise ship whisks guests away on a journey across the Arctic Circle and into the heart of Norway.

Two magnificent journeys with New Zealand's KiwiRail: the TranzAlpine, a five-hour journey across 223 kilometers, and Northern Explorer, an 11-hour trip through five unique regions of the North Island.

A trip aboard the luxury tourist train, Transcantábrico Clásico through Northern Spain along a historic 19th century rail line.

Travelling up the coast of New Zealand in style aboard the Coastal Pacific, a train that embodies the nation's spirit of grit and determination; for two years, this ride was shut down due to an earthquake in 2016.

The maiden voyage of the Oasis of the Seas, the largest, most revolutionary cruise ship in the world.

Filled with big toys, guests fly the trapeze, surf and skydive without ever leaving the world's most innovative cruise ship.

The world's top cruise ship, the Crystal Serenity visits Sydney harbor, the port of Melbourne, Bali, a large-scale furniture load in Semarang, Indonesia and the port of Singapore.

Japan's largest cruise ship brings East and West together on a cruise featuring cherry.

We hop aboard a seven-day cruise to the Canary Islands and Madeira aboard the first large liner to run purely on cleaner-burning liquefied natural gas.

The Canadian Air Force's CC-115 Buffalo is the go-to aircraft for search-and-rescue on the west coast.

VIA Rail's passenger train travels between Vancouver and Toronto on four-day, four-night journey that cater to everyone.

Sailing from Chile and Peru to Ecuador and Costa Rica, the luxurious Seven Seas Explorer cruise ship is full of marble, granite and almost 500 chandeliers.

Facing Australia's fierce heat, Celebrity Solstice provides guests with views of waterfalls, jumping crocodiles, koalas and the Great Barrier Reef.

Travel aboard the colourful trains of the State Railway of Thailand and explore the famed Death Railway; the trains travel through ancient areas, historic tunnels, and raging rivers.