From the rugged highlands and volcanic plateaus to the lowland deserts and the Great Rift Valley, Ethiopia's terrain is as varied as it is dramatic.

Theodore Roosevelt National Park, tucked into the rugged badlands of western North Dakota is where a young Theodore Roosevelt came to recover after the loss of his wife and mother in the same day. He bought a ranch, rode the open plains, and found the resolve that would later define his presidency. Today, the park named in his honor preserves that same wild spirit. Visitors can still see Roosevelt’s original Maltese Cross Cabin near the park's entrance and walk trails he once rode on horseback.

Just outside of Tucson lies Saguaro National Park, which is home to hundreds of saguaro cacti, the iconic symbol of the old West. There are endless scenic hikes and wildlife habitats, and the Arizona-Sonora Desert Museum isn't to be missed. The star of the park, of course, are the cacti themselves, and there are few more beautiful sights than seeing them silhouetted against the beauty of a magnificent desert sunset.

Are you ready to go to the End of the World? Stunning views of snow-capped mountain peaks await you in Ushuaia, located on the southernmost tip of South America. This small coastal town sits between the Martial Mountains and the Beagle Channel and is a popular embarkation point for Antarctic cruises. Visit some of Ushuaia's popular attractions, including Les Éclaireurs Lighthouse, Tierra del Fuego National Park, Lapataia Bay, and the Museo del Fin del Mundo.

Port Moresby sits by the Coral Sea as Papua New Guinea’s capital and shows visitors a city of contrasts where glittering new buildings rise beside traditional villages built on stilts. One such place is Hanuabada, the original Motuan village, where roofs reach above water’s edge and everyday life still unfolds in Tok Pisin and local tongue.