An alchemist's "magic door" stands in the middle of a Roman park.

This Brazilian astronomy museum allows guests to gaze at the stars through their telescopes each weekend.

A self built castle built by a salt worker in Brazil.

An abandoned Santa park is as far as this proposed theme park kingdom got toward completion.

A kaleidoscopic warehouse-maze of handmade neon signs.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

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

Dictionary Johnson’s favorite feline.

A historic arboretum and non-conformist, non-denominational park cemetery.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

"Purveyors of traditional sweets and vintage treats."

A student driver's nightmare.

Remnants of a Victorian garden feature sitting in public woodland.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

This South London cemetery holds the remains of more than 15,000 people.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

The "Seinfeld" diner.

During the holidays, a vintage subway train whisks New Yorkers back in time.

A veritable variety of odds and ends.