The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

An eerie, derelict amusement park in Berlin.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

Where once there was a train station bathroom, there is now this German burger joint.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

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

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

A collection of abandoned typographic signs from Berlin and beyond.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

This might just be the TARDIS of bookstores.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

A layered tribute to the work of mosaicist Isaiah Zagar.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

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.

This home is decked out like a psychedelic explosion of colors and bowling balls.