A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Acres of natural wonders left behind by a socialite-turned-gardener.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A ghost town at the airport is now a refuge for blue butterflies.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

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

A common entry point to the Griffith Observatory trail holds its own wonders.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

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

Urban explorers embraced America's now demolished first suburban mall, south of Chicago.

A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

The NBA player's elaborate former home is now a ghost of its old glory.

Once known as the Illinois Asylum for the Incurable Insane.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

An abandoned observatory in the middle of the Illinois prairie.

The palatial McDonald's that inspired Wesley Willis.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

Take a trip back in time at this retro cinema dating back to 1954.

Meant for a railway that was never built because of the Great Chicago Fire, these piers still stand nearly 150 years after they were installed.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

A small cemetery chapel designed by Frank Lloyd Wright and built in 1906.

Also known as the Osaka Garden, this garden was originally built in 1893 as part of the World's Columbian Exposition.