Colombo is the financial capital and by population, the biggest city in Sri Lanka. A major trading port as far back as 2,000 years ago, Colombo has an expansive harbor, making it a true commercial center of this island country.

A favorite for many cruise-goers and tourists, Ketchikan, Alaska, is a charming city located near the state’s southeastern edge.

Architecture, fine art, theater, dining, shopping... what can't you experience in New York City? Cloud-breaching skyscrapers dot its skyline, while Lady Liberty stands proudly in New York Harbor. Visitors taking a bite of the Big Apple will find endless options in this metropolis' five distinct boroughs (Brooklyn, Queens, Manhattan, the Bronx, Staten Island).

Dunedin is the second largest city in New Zealand and home to the world's only mainland-breeding albatross colony, the Royal Albatross Centre.

Hong Kong offers the best of both worlds, a thriving exciting city filled with culinary delights with mountains and sprawling parks for when you need an escape into nature. As you wander the Street Market to score bargains on local goods, make sure to indulge in a bowl of wanton noodles or freshly steamed dim sum.