Unesco

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

This colorful colonial neighborhood in Panjim is one of the only Latin Quarters in Asia.

This gorgeous, colorful 18th-century church is part of one of Bolivia's few surviving Jesuit missions.

An abandoned Byzantine fortress and notorious prison.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

Two small markers remember the Alamo's feline protectors.

The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

A former military outpost of Ivan the Terrible, the 16th-century church contains some of the rarest examples of Eastern Orthodox mural paintings.

The stunning interior of this Gothic church is covered in ornate gold details.

The abstract sandstone rock formations at this Algerian national park are rich with prehistoric art.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

The remarkably well-preserved final resting place of a powerful ancient Thracian king.