A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

A stone obelisk towering over the surrounding countrysides beckons hikers across the rolling moors.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

A hill carving of the legendary dragon that terrorized the village of Bures in the Middle Ages.

This colossal war machine is now a living museum dedicated to underwater warfare.

The abandoned fishing village was swept right into the sea.

Where condemned pirates met their grisly end at the gallows on the River Thames.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This beach runway is off limits during high tide.

A bay of elaborate, historic toilets are held in high esteem at this Scottish dock.

A rotting air force base is now home to rare birds and scarce plants.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

An American ghost town hides along a side street in Scotland's capital.

The legend says that this English rock formation was once a hunter who was turned to stone by annoyed witches.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

A quartet of rusting satellite goliaths are all that remain of a communication network that protected Britain from German and Russian air strikes.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

This abandoned oil depot produces world's longest echo in a manmade structure.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

A brick foundation and piles of listing building materials are all that remains of this World War II POW camp.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

One of the shortest streets in York has an especially odd name.