The beauty of urban decay, hiding some dark secrets.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

In the middle of a remote desert town is a surprisingly opulent hotel.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

This psychedelic tourist trap is a leisurely descent into madness.

Hamburgers are intensely proud of their tunnel beneath the river.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

In Hong Kong, a fairytale flower tunnel is hidden within the gardens of a public housing complex.

A repurposed railway tunnel with otherworldly acoustic characteristics.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

In 1977, an eccentric book lover formed a micronation for book lovers.

This 1.5 million-gallon water tower inspired Stephen King while he was writing "It."

The strange “kaiju” of Lake Imba that allegedly killed over a dozen men with a single strike of lightning.

An often-shuddersome journey into a low-tech, robotic themepark.

A perfectly running 230-year-old silver automaton and music box.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Japan's first automaton went missing, only to be revived by the Osaka Science Museum.

A registered historic landmark shrouded in unsettling local legends.