A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

A group of college students hauled a desk up a mountain more than 40 years ago. The notebooks inside have become a makeshift time capsule.

This old abandoned sign flickers to announce a motel that isn't even there.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

Hike the ruins of a zoo that was shut down by an unsolved murder.

On a dusty county road sit the ruins of a ghost town's abandoned church.

A mysteriously abandoned campsite in San Angelo State Park.