One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

A bright and wacky exhibit answers every question you may have had about human excrement, flatulence, and more.

The remote graves mark the mysterious deaths of four 19th century explorers.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The construction of a tram line unveiled hidden remnants of the old medieval city.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

A statue of a mischievous raccoon towers over this city park.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

A small village in two different countries.

A rare pod of derelict midcentury Futuro and Venturo houses lines a semi-abandoned beachfront resort outside Taipei.

Beautiful stained glass depictions of the history of human flight fill this surprising chapel.

A way to take your secrets to someone else's grave.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

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

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

A luxury hotel housed in a former 15th century Gothic church.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

Bronze plates placed around this Scottish fishing village form a true-scale model of the solar system.

A micro-communist utopia in Spain with no police, no mortgages and full employment.

Wheels of chrome by the thousands adorn this California Historical Landmark.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.