London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Eighty million natural history specimens call this gargantuan museum home.

A student driver's nightmare.

A little slice of Japan and its aesthetics in London's Holland Park.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A Roman spa buried deep beneath the City of London.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

You don't have to be an ambassador to dine like one.

Tucked in the back of this amazing antique store is an important piece of medical history.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Cryptic messages embedded in the New York City sidewalk.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The abandoned coal loading dock is a canvas for unsanctioned art.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A beautiful but toxic fountain of mercury.