Písek, a picturesque city in the South Bohemian Region of the Czech Republic, is a hidden gem steeped in history and charm. One of its most notable landmarks is the Písek Stone Bridge, the oldest preserved bridge in the country. Built in the 13th century, this Gothic bridge spans the Otava River and is a testament to medieval engineering.

Tikehau is a small coral atoll in the Tuamotu Archipelago of French Polynesia, northeast of Tahiti. Its oval lagoon is enclosed by a narrow chain of coral islets known as motu, with only a few channels connecting the lagoon to the open Pacific. Most of the land is low and covered with coconut palms, coastal vegetation, and white- and pink-tinged sand.

Petrified Forest National Park stretches across the colorful high desert of northeastern Arizona, where grasslands, mesas, badlands, and ancient fossil deposits form an unusual landscape. The park is best known for its extensive petrified wood, much of it preserved from trees that lived in a river environment more than 200 million years ago.

Carriacou, the largest of Grenada’s sister islands, offers a slower pace of life and an intimate window into traditional Caribbean culture. Known as the “Island of Reefs,” it is surrounded by vibrant coral systems that have long supported fishing and sailing traditions.

Lac Abbe, straddling the border between Djibouti and Ethiopia, is one of East Africa’s most otherworldly landscapes.