This panoramic lift provides a futuristic ride up San Pedro Mountain.

Take a dip beneath the stalactites in this amazing cenote.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

The medieval woodcut-style artwork chronicles life in medieval London.

The abandoned coal loading dock is a canvas for unsanctioned art.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

This theme park presents 5,000 years of Shanghai history and includes a "sunken" exhibition hall.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

A 2,000-year-old engineering wonder hides beneath an Italian town.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

Get hands on with the technological marvels of the Classical world.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

A fantastic reconstruction of a 10th-century Viking longhouse.

Japan's longest-running music festival takes place on an isolated butterfly-shaped island.

North Africa's first museum of its kind preserves the culture of Moroccan women and their artistic achievements. 

This museum explores the grim reality of life in the earliest British colonies in America.