A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The ghost town that ended up on Ebay.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

The magic's in the hole!

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Historic funicular railway, believed to be the shortest railroad in the world.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Read a book next to a Midtown waterfall.

Elevated freight railway turned wildly successful urban park.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The fairy tale castle of the "fairy-tale king."

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

A giant donut stands as a popular symbol of Los Angeles iconography.