The bookstore with bookshelves built into unlikely places.

The final resting place to 300 Victorian-era pets hides inside the city park.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

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

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

A museum devoted to the science of color.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

Ancient Peruvian fertility temple or modern money-making hoax? Either way these monoliths still look like penises.

A market for witches is hidden within a train station.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

Fine dining in the bizarre world of Lewis Carroll.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.