Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

A beloved tribute to the Fab Four and the freedoms they inspired.

Enormous statue of the Emperor of the Mongols.

The grassy landscape is home to the world's last truly wild horses.

A mysterious phallic rock on the grounds of a Buddhist monastery.

History, geography, and shamanism meet in this eye-catching monument to the greatness of three empires.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.

A subterranean house of worship carved right out of the bedrock.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.

An ancient city hidden in the heart of the Sierra Nevada mountains.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

Visitors can sit and study the board with this Estonian chess legend and International Grandmaster.

The enormous isokinetic structure hangs within a science center in Estonia.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

A theater with world-class acoustics, neo-Classical architecture and Kazakh ornaments.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

A little sculpture with a large wardrobe.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Meet the bronze beloved pet to a family of famous peeing statues.