A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

France's most famous cemetery, with some of its most curious tombs.

Tiki luxury on Nob Hill.

360° views of the city plus five floors of optical illusions and hands-on science.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Where beautiful signs live on forever.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

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

A tongue-in-cheek arcade where the games are based on everyday life.

Started as a kitchen garden, now the second largest botanical garden in the world.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Every year locals tumble 650 feet down to the bottom of the hill chasing a Double Gloucester cheese.

This London plaque marks the spot where David Bowie's famous alien made his debut.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

Quaint, disturbing, and macabre objects are all on display at this intriguing collection of medical instruments from bygone eras.

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.

The grave of the legendary "Bonzo" can often be seen covered in cymbals and drumsticks.

Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

This former coal gasification plant found a curious second life as a popular public park.

Seattle's own bad art museum located inside Cafe Racer.

A walk through the historic city center, under the streets of Seattle.

A museum dedicated to the history and exploration of both popular music and science fiction.