Knoxville sits in the Great Valley of East Tennessee at the headwaters of the Tennessee River, with the Appalachian Mountains rising to the east and southeast. The city combines a historic downtown with riverfront parks, leafy neighborhoods, and easy access to outdoor areas.

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).

Channel Islands National Park protects five islands and the surrounding waters off the coast of Southern California: Anacapa, Santa Cruz, Santa Rosa, San Miguel, and Santa Barbara Island. Separated from the mainland by the Santa Barbara Channel, the islands contain steep cliffs, sea caves, beaches, grasslands, and rugged hills shaped by wind and ocean conditions.

Otaru, a charming port city on Japan's northern island of Hokkaido, offers a delightful blend of historic allure and scenic beauty. Known for its well-preserved canal area lined with old warehouses and beautifully restored buildings, Otaru provides a picturesque setting reminiscent of its bustling past as a major trade center during the Meiji and Taisho eras.

Situated in Croatia between the cities of Sibenik and Trogir on the Adriatic coast, the small town of Primosten was once an islet connected to the mainland by a bridge, replaced by a causeway around the 17th century. Its name is derived from the Croatian verb primostiti meaning "to bridge".