Architectural monsters are devouring this palace's every door and window.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A collection of abandoned typographic signs from Berlin and beyond.

Art and a pun, all in one.

A wunderkammer of mysterious objects and stories.

A slice of central Asia in the middle of Berlin.

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

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This once-derelict building is now one of the most beautiful bookstores in the world.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

See how paper is made the old-fashioned way.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Dead weights honor the dead of Portugal's fishing industry.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

New York's oldest magic store.