Something's watching you.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

All that remains of the only English cathedral destroyed in the Protestant Reformation.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

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

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

The fountain marks the area where hundreds of accused witches were burned at the stake.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Where Venice's gondolas go for a tune-up.

This Transylvanian church has changed its denomination four times.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A surreal statue honoring Prague's favorite literary son.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

Once a black market electronics marketplace, now an otaku shopper's paradise.