This dry lake bed contains the oldest known petroglyphs in North America.

An eccentric millionaire's personal curio collection includes at least one shrunken head.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A railway bridge leading nowhere stands lonely in the middle of a meadow.

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.

Flamboyant architecture from the turn of 20th century.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

Kolkata’s only Portuguese church has a curious link with chickens.

The site of an atrocity that would be used to justify Britain’s conquest of India.

The potters' quarter is packed with artists sculpting clay gods with mud from the sacred Ganges river.

A beloved pet is buried in among the many old and famous residents of a Northern Ireland cemetery.

The former Willingdon Airport started operations in 1929, in India's capital, Delhi. Now, it's used for maintenance runs and helicopter rides.

An effigy of the deity emerges from a temple's water every 40 years.

A fresco in this magnificent palace is said to have been the first depiction of the Taj Mahal's design.

The tallest statue in the world is twice the height of the Statue of Liberty.

A towering work of stone and philosophy that was constructed using ancient Hindu science.

More than 2 million Olive Ridley sea turtles are hatched from this mass nesting ground every year.

World's tallest monolithic statue has served as a pilgrimage site since its completion in 993 CE.