A village in India with a mysteriously high number of twins.

This magical and eccentric stepwell is a hidden treasure within the ancient fort city of Mandu.

This steel sculpture made from a recycled crane towers above a former shipyard.

Indents in the pavement are all that remain from a grisly death machine in Paris.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Abandoned railway line circling the city of Paris.

Enormous sandstone towers loom within a Czech forest.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

This 5,000-year-old tomb once had its own hinged door.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

The excellent Swiss museum of witchcraft is led by a modern witch.

Just saying the name of this town out loud is said to bring bad luck.

Salaguti's live-in museum: a fortress against criticism and consumer art.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

A chunk of the "true cross" is held in this small Portuguese church where modern day exorcisms are said to be common place.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

An enchanting natural wonder in Puerto Rico's Camuy River Park.

An ongoing medieval tradition of communal pig husbandry is honored with a handsome granite sculpture.

Pagan monument converted to Christianity with the population.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This influential Renaissance-era library was once the haunt of kings and monks.