San Pedro de Atacama, a small town in northern Chile, sits at over 2,400 meters above sea level in one of the most geologically diverse areas on Earth. Surrounded by volcanoes, salt flats, geysers, and ancient lava flows, it has long served as a gateway to the Atacama Desert. This desert is the driest non-polar place in the world, where some weather stations have never recorded rainfall.

Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.

Sigiriya, in central Sri Lanka, is an ancient rock fortress and one of the country’s most iconic archaeological sites. Rising nearly 200 meters from the surrounding plains, the massive granite column is crowned by the ruins of a royal palace built in the 5th century CE by King Kasyapa.

Alice Springs, located in the heart of Australia’s Red Centre, is a town deeply connected to the desert landscapes and Aboriginal culture that define the region. Long an important meeting place for the Arrernte people, it remains a center of Indigenous art and traditions, with galleries and cultural institutions showcasing some of the world’s most renowned Aboriginal artworks and stories.

Tenerife is the largest isle of the Canary Islands archipelago. Famous for its black and yellow sand beaches as well as Mt. Teide, the dormant volcano that looms over the island.