These abandoned grain silos and tunnels are an urban exploration dream.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Entering this curiosity shop is like stepping into a mad scientist's lab.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

Two graffiti towers stand like ghosts of Vancouver's World War II-era defensive outpost.

Time capsule of a museum, in which the Soviet Union remains alive and kicking.

Renaissance villa and gardens complete with a tormented colossus.

A museum befitting the city responsible for supplying the majority of the world's LSD.

This shop specializes in oddities and Victorian-inspired wonders.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

A layered tribute to the work of mosaicist Isaiah Zagar.

One of the greatest maze designer’s greatest mazes.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

A wunderkammer hidden on the top floor of the Hartford statehouse.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Repository for more than 22 million pickled specimens.

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

An underground magnet for ever-changing street art.

No need to strap in for a "ride" on this walkable roller coaster.

The largest toy museum in Poland showcases Europe's history of childhood.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

A museum of carnival attractions where you are invited to ride the rides.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.