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).

Panna National Park lies in the Vindhya Hills of Madhya Pradesh in central India, extending across the Panna and Chhatarpur districts. The Ken River runs through a landscape of dry deciduous forest, open grassland, rocky plateaus and deep gorges.

Pongara National Park protects a broad coastal landscape on the southern side of Gabon’s Komo Estuary, across the water from Libreville. Covering more than 96,000 hectares, the park includes Atlantic beaches, mangrove forests, tidal mudflats, lagoons, freshwater swamps, riverine forest and grassy savanna.

Sigiriya, in central Sri Lanka, is an ancient rock fortress and one of the country’s most iconic archaeological sites. Rising nearly 200 meters from the surrounding plains, the massive granite column is crowned by the ruins of a royal palace built in the 5th century CE by King Kasyapa.

Set high in the Khumbu Valley, Pheriche offers a quiet yet striking stop along the route toward Mount Everest. Surrounded by wide landscapes and rugged peaks, this small settlement sits in a windswept valley where the air is crisp and the views stretch for miles. Unlike busier stops along the trail, Pheriche gives travelers space to pause, adjust to the altitude, and take in the scale of the Himalayas without distraction.