Smithsonian HD Network

When a DC-8 cargo jet crashes on approach to a U.S. naval base in Guantanamo, investigators wonder if Cuba played a role.

Facing a cascade of failures and a fire on board, a turboprop is just seconds from landing when it flips over and crashes.

The investigation into the 2014 crash of a TransAsia flight uncovers a systemic problem with the airline.

Three planes fatally out of balance force investigators to question every calculation; it's a flight risk that's entirely preventable, and yet repeated disasters reconfirm the need for critical backup systems.

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.

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.

Visit Stonehenge, kiss the Blarney Stone and hunt for Nessie on a magical tour of the British Isles, aboard Marina.

Follow mega cruiser Regal Princess as she whisks guests to Germany, Russia, and Scandinavia in style.

The Glacier Express features cutting-edge technology to pull the train up the steepest slopes on its route across the Swiss Alps.

Switzerland's Bernina Express is one of three railway lines on the UNESCO World Heritage list; it navigates 55 tunnels and nearly 200 viaducts and bridges.

Japan's Tokaido Shinkansen, known as the bullet train, operates on a dedicated railway line at up to 177 mph.

The Norwegian Epic is a billion-dollar showboat with more than 20 bars and restaurants and pool decks that transform into nightclubs.

Le Boreal is built to take on the demanding waters of the Southern Ocean.

MSC's biggest cruise ship navigates tight Mediterranean harbors, offering a brand new water park, classic excursions and Cirque du Soleil at Sea.

This 50-year-old ocean liner offers off-season Baltic tours, battling unpredictable weather to deliver one-of-a-kind experiences.

Set a course for breathtaking sights on Koningsdam's 15-day voyage from Amsterdam to the northern tip of Norway.

The CP-140, a spy plane built to protect Canada and her coastlines from unseen enemies is upgraded with the latest technology.

The Indian Pacific is a four-day, 4,352-kilometre transcontinental journey across Australia, a trip which features the world's longest straight stretch of railway and steepest incline.

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.

Go behind the scenes with NTV's two Italo trains - the AGV and the EVO - as they expand to cover more of the Italian railway network, connecting passengers from Turin to Venice, and Naples to Milan, on two of the world's fastest trains.