Mongolia's capital and largest city Ulaanbaater, includes many points of interest: Mongolia's State Archives and State Public Library, which contains about 3 million volumes; the State Central Museum, which contains art treasures and antiquities; the Fine Arts Museum, with a collection of painting and sculpture; two museums with items from the revolutionary movement; and the Museum of Religion, with a collection of Lamaist relics.

Resorts, beaches and a buzzing nightlife can all be found in Cancún, a popular tourist destination located on the Yucatán Peninsula.

Thingvellir, a captivating site in Iceland, seamlessly combines natural beauty and historical significance. Located in the Thingvellir National Park, this UNESCO World Heritage Site is a geological wonder where the North American and Eurasian tectonic plates meet. The dramatic landscape features rift valleys and stunning volcanic formations, making it a paradise for hikers and nature enthusiasts.

Rapid City is the gateway to iconic Mount Rushmore National Memorial and a delightful stop for your next trip to South Dakota.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.