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).

Sintra, located just 40 minutes from Lisbon, feels like a world apart. Tucked into the hills of the Serra de Sintra, this town has drawn kings, poets, and explorers for centuries. It was once the summer retreat of Portuguese royalty, who left behind palaces and gardens that seem pulled from a storybook. The most famous, Palácio da Pena, is perched high above the town with bold red and yellow towers that blend Romanticism with Moorish and Gothic styles.

Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Khao Sok National Park in Thailand is a stunning natural haven that promises a truly immersive experience for nature lovers and adventure seekers. Nestled in southern Thailand, this sprawling park is renowned for its lush rainforests, dramatic limestone cliffs, and tranquil lakes. The park’s centerpiece, Cheow Lan Lake, is a breathtaking expanse of emerald waters surrounded by towering karst formations, ideal for boat tours and exploring floating lodges.

Italy’s port city of Brindisi, tucked along the Adriatic coast in the Puglia region, has been a gateway to the East for over two thousand years. Once the Roman Empire’s main departure point for the Via Appia, the road to Greece and beyond, Brindisi still bears traces of its ancient past, from Roman columns to remnants of old harbors that once welcomed traders, pilgrims, and soldiers.