Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

World's largest collection of serial killer artwork and other macabre exhibits.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

These pretty kitties killed and ate as many as 135 railway workers.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

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

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

This remote island in Iowa was abandoned after being devastated by flood.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This charming railway is one of the oldest and steepest funiculars in England.

The steepest classic funicular in the world glides along a dizzying incline.

"There's nothing there," and other lies the KGB told us.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Rippling sand dunes frozen in the Arizona rock.

The Ozarks' strangest dwelling.