Long regarded as one of the freest-thinking college towns in the U.S., Ann Arbor is home to the University of Michigan, the Gerald R. Ford Presidential Library and Domino's Pizza. While you're in Ann Arbor, be certain to see the city's many fascinating historic buildings; the Kelsey Museum of Ancient and Medieval Archaeology; and Kerrytown (a diversity of specialty shops and eateries in restored 19th-century buildings close to the Farmers Market).

Nosy Iranja, a tropical paradise off the northwest coast of Madagascar, is a must-visit destination for travelers seeking an untouched escape. Known for its stunning natural beauty, Nosy Iranja is actually composed of two islands, Nosy Iranja Be and Nosy Iranja Kely, connected by a striking sandbar that appears at low tide. Visitors can stroll across the white sands with crystal-clear turquoise waters on either side, creating an otherworldly experience of walking between two islands.

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.

There's plenty to explore in this vibrant Caribbean paradise. Visit one of the island's many beaches, including Bachelor's Beach, Te Amo Beach, and Sorobon Beach, take a stroll through the Bonaire Arts and Crafts Market, or visit Washington-Slagbaai National Park, where you'll likely catch a glimpse of many of the island's native birds and reptiles.

Providenciales, often called “Provo,” is the most developed island in the Turks and Caicos archipelago and a gateway to some of the clearest waters in the Caribbean. Its coastline is famous for long stretches of white sand and shallow turquoise seas that seem to shift color with the sun. Grace Bay Beach, the island’s most celebrated shoreline, runs uninterrupted for more than 19 kilometers and is consistently ranked among the best beaches in the world.