Niagara Falls, New York, is home to one of the most powerful natural spectacles in North America. More than 3,000 tons of water pour over the edge every second, creating a thunderous roar and a rising mist that can be felt from blocks away. Visitors can stand just feet from the American Falls at Prospect Point or take the iconic Maid of the Mist boat tour, which has operated since 1846 and now features all-electric vessels.

Pärnu, often called Estonia’s “summer capital,” is a charming seaside city known for its long sandy beaches, historic architecture, and vibrant spa culture. Located along the coast of the Gulf of Riga, Pärnu has been welcoming visitors since the 19th century, when it became one of Northern Europe’s premier spa destinations.

Exeter sits in southwest England at a natural crossing of the River Exe, a position that has shaped its role since Roman times.

Georgia's second largest city, it is located between the Caspian and Black seas. Dating back to at least the sixth century, it has outstanding museums.

A city in perpetual forward motion, Abu Dhabi greets visitors with gleaming skyscrapers and opulent Islamic architecture. There is much to see here, from the recently opened Louvre Abu Dhabi to the gigantic Sheikh Zayed Grand Mosque, with its white marble splendor. Beach life and turquoise waters can be found on Saadiyat Island, Al Bateen and Corniche Beach.