This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

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

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

There's nothing creepier than a cemetery next to a clown motel.

The only thing still moving in this town is the eponymous hot spring.

An eatery for UFO seekers on the Extraterrestrial Highway.

This sign designates the road that leads to the infamous Area 51.

Mysterious meeting place for UFO hunters near Area 51.

The self-proclaimed gateway to the Extraterrestrial Highway.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

A picture-perfect town, perfect for blowing up.

A facility built in 1992 for an underground nuclear test remains in place today.

The contents of this safe survived a 37-kiloton nuclear bomb.

This hidden, women-built-and-operated Nevada temple on Shoshone Native American land is dedicated to the Egyptian lion goddess Sekhmet among other goddesses.

Ship-sized kinetic sculptural fantasy.

Hidden beneath the streets of London is a secret subway that only carried mail.

The final resting place to 300 Victorian-era pets hides inside the city park.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This striking statue brings a scene from the African savannah into central London.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

A giant scrawl on the skyline of south London.

Inspired by Thomas Stothard's painting of the "Journey to Canterbury," albeit with Canterbury natives.