These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The oldest active mini golf course in the U.S. has an elegant Art Deco style filled with lush tropical plants.

A misunderstanding gave this 18th-century racehorse a most amusing name.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

The former home of the famed revolutionary Pancho Villa is now a museum in his honor.

A computer bug so primitive it was an actual insect.

A strange and ancient landscape hides the dark, cavernous remains of a 5,000-year-old flint mine.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

An unusual bed & breakfast made of papercrete.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

The world-record holder for the longest bridge stretching continuously over water.

A fruit-loving town welcomes visitors with a giant melon set against the sky.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The taxidermied remains of a once-great parrot.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This quirky hot springs town known to locals as "T or C" was named after a radio show.