Tibet, often referred to as the "Roof of the World," is a land of breathtaking beauty, spiritual depth, and rich cultural heritage. Set against the backdrop of the towering Himalayas, Tibet captivates travelers with its dramatic landscapes, from vast high-altitude deserts to verdant valleys and serene lakes.

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.

Ruhengeri, officially known as Musanze, lies in northern Rwanda at the foothills of the Virunga Mountains. The town has long served as a gateway between Rwanda and neighboring Uganda and the Democratic Republic of the Congo, giving it both strategic and cultural importance.

Katmai National Park and Preserve lies along Alaska’s remote Pacific coast, shaped by volcanism, glaciers, and deep time. The area gained prominence after the 1912 Novarupta eruption, one of the largest volcanic events of the 20th century, which transformed the landscape and led to the creation of the Valley of Ten Thousand Smokes.

A favorite for many cruise-goers and tourists, Ketchikan, Alaska, is a charming city located near the state’s southeastern edge.