This house certainly has a unique decor.

This work of engineering is imbued with elegance and ingeniousness.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

The woman who helped save 15th-century France was born in this humble home.

An inconspicuous footbridge beloved by San Diego locals.

Watch cheese-flipping robots in action at this factory and museum.

This small memorial honors a ferocious feline and local hero.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

Edinburgh’s version of the Sistine Chapel is this former church, with an interior covered in paintings done by one woman over the course of nearly a decade.

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

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

Vermont's hills are alive with the sound of music at this historic hotel.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

This mansion on an island off the coast of Georgia once belonged to a 108-year-old heiress.

A lavender labyrinth so large it’s visible on Google Earth.

One of the best-preserved examples of an old town lock-up in the country.

In which a local geological marvel becomes a quaint roadside attraction.

A white oak with property rights.

This supermarket offers shoppers a window into the past alongside their groceries.

A flight of this "ghost staircase" has 40 steps on the way up, but only 39 steps on the way down.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.

A multiversal transit station located right below a highway interchange.