The Amazon River, winding through the heart of South America, is a marvel of nature that offers unparalleled adventure in one of the most biodiverse regions on Earth.

A true destination, Alyeska is Alaska's biggest ski area. At the summit sits Mt. Alyeska Roundhouse, the state's only mountaintop museum.

Zacatecas, built into the slopes of a narrow ravine in north-central Mexico, is a city with a deep mining past and a striking skyline. The historic center, a UNESCO World Heritage Site, is known for its pink cantera stone buildings, narrow alleys, and impressive baroque facades. The Cathedral Basilica of Zacatecas, completed in 1752, stands as one of the most detailed examples of Mexican baroque architecture, with hundreds of carved figures covering its sandstone exterior.

La Paz is Bolivia’s administrative capital, a city that clings to the walls of a canyon, rising from 3,600 meters to over 4,000 meters above sea level. That dramatic geography means it holds the title of the highest capital city in the world. From the crowded streets of the valley floor to the windswept plateau of El Alto, La Paz is a city of striking contrasts.

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.