Explore 10 acres of environmental sculptures.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The abandoned personal amusement park of the King of Pop.

Get up close to emus and ostriches, or buy their tasty meat.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

It's not your typical library, memorial, or book store.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Medicinal spa created with the discharge from a geothermal energy plant.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A crumbling hospital from the 1850s on Roosevelt Island.

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

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

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

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

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

Where monkeys run wild and the humans are caged.