This abandoned amusement park was built on a site with a dark history.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Home of an evil witch famous within southern folklore.

San Diego's most historic and haunted home.

The decaying ruins of Wales' first asylum for the mentally ill.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

An outsider art duo's yard has been turned into a whimsical public gallery.

This frequently-photographed waterfall takes only a short hike to visit.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This charmingly homemade amusement park has been growing for 40 years.

Home of Howard Hughes' Spruce Goose.

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

Beyond being incredibly fun, not much can be said about the Hole with certitude.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An emporium for the weird, creepy, rare, and just plain gross.

The seamy, underground secrets of Portland's criminal past.