Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

Picnic on the seashore in the footsteps of ancient kings, protected by giant mythical cat beasts.

The oldest surviving mosque in the UAE has mysterious origins and unusual architecture.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Ancient paintings known as the "Sistine Chapel of Cave Art."

A centuries-old lookout post still sits atop a natural stone spire.

Rock-cut cave complex filled with ancient Buddhist artwork.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

Abandoned railway line circling the city of Paris.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A fiery crater has been burning in the Karakum Desert since 1971.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Siddhartha Gautama sat here and received enlightenment.

Described as "the world's most blinging pool."

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an eighth-century Buddhist master.

Sacred Buddhist home of some spiritual monkeys.

Once an impressive link to Afghanistan’s Buddhist past, now a sad reminder of intolerance towards other cultures.

270 million year-old forest of stone.

An ancient rock engraving shows Aboriginals used their advanced knowledge of the stars to hunt and gather.

An ancient stone fortress considered by many to be the eighth wonder of the world.

Hoax, mistake, or evidence of dinosaurs in human times?

Groups of prehistoric tombs that dot the mountains of northern Oman.

Hydraulic systems in an ancient underground Iranian city.