The capital city of the Dominican Republic is rich in history and beauty, boasting 16th-century Spanish architecture and the oldest cathedral in the Americas. The narrow streets of the old colonial city are a testament to the complex mixture of forces that contributed to the construction of the first European city in the Western Hemisphere.

Sequoia National Park, located in California’s Sierra Nevada mountains, is a natural wonderland famous for its giant sequoia trees, including the world-renowned General Sherman Tree. Standing at an astonishing 275 feet tall, the General Sherman is the largest tree on Earth by volume and a must-see for visitors.

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.

Mount Kenya, the majestic volcanic mountain located in central Kenya, is a natural wonder that captivates visitors with its dramatic landscapes and rich biodiversity. As Africa's second-highest peak, standing at 5,199 meters (17,057 feet), Mount Kenya offers an array of trekking routes that lead adventurers through lush forests, alpine meadows, and glacial valleys.

North Conway, located in New Hampshire’s Mount Washington Valley, has drawn visitors since the mid-19th century, when artists from the White Mountain School began painting its dramatic landscapes. Today, the area still offers scenic appeal, anchored by the towering presence of Mount Washington, the tallest peak in the northeastern U.S. Historic photographs and lithographs of North Conway hang in galleries downtown, showing just how little the iconic views have changed in over 150 years.