From Vikings to nationwide rebellions, this castle has seen its fair share of warfare.

The oldest residential street in Europe also features an optical illusion.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

Natural time capsule containing an alien ecosystem.

A face-like natural rock formation so well known, a pub was named in its honor.

This stone throne invites adventurers to observe breathtaking views of the Peak District.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

This haunting stone chasm is a hotbed of mossy rock and English legend.

Local legend holds that if you can make it up this steep cobblestone stairway without taking a breath, you'll have wish come true.

This bee-themed family business does more with honey than anyone would think was possible.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

Kuala Lumpur’s historic single-screen cinema, transformed into a labyrinthine bookstore.

Perhaps the only prehistoric monument with its very own public bus stop.

Hidden in the hills is a mysterious stone structure, known only to a few.

Makers and sellers of the original and finest York Ghosts.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Proceeds from this colorful teahouse in a historic Atlanta neighborhood directly fund women’s education in northeast India.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

The gnarled remains of an exploded German bunker from World War II sit along a breathtaking fjord.

The way that light hits a stained glass window on a specific day is one of many "clues" to a mysterious treasure.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

This large neolithic tomb, also known as Greengraves, is hidden off a Northern Irish road.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.