Puzzles within puzzles hide a golden treasure in this hedge maze.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

Two plaques commemorate the site of Shakespeare's first theatre.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

An underwater city for the dead.

Where monkeys run wild and the humans are caged.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

Dictionary Johnson’s favorite feline.

Banksy gives themself artistic license with this piece of London street art.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Eighty million natural history specimens call this gargantuan museum home.

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

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

A kaleidoscopic warehouse-maze of handmade neon signs.

The French deconstructionist had a weakness for baked goods.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

An extensive collection of fine art devoted to man's best friend.

An artist's cute bronze subway sculptures belie his violent artistic past.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

An enormous, 30-story-deep hole in the middle of Guatemala City.