

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

Norwegian Joy sails amid icebergs in Alaska's Inside Passage, treating guests to glaciers, humpback whales, and the largest zip line in the world.

The Martin Mars water bomber is the world's largest seaplane and has flown more than 8,000 firefighting missions.

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

Royal Clipper is the largest sailing cruise ship in the world, celebrating tall ships of the 19th century while offering modern-day service for its guests.

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.

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.

The White Pass and Yukon route was built in 1869 to take miners and supplies to the Klondike gold fields.