An experimental, automotive replica of Stonehenge.

This Wild West attraction is alive with glitching automatons.

The victims of a free-floating Japanese bombing during WWII are remembered by this stone monument.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

Four ionic columns from the Treasury Department building ended up in a park in Nebraska.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

This simple stone monument honors a 19th-century tragedy.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

A relic of the Cold War in Chicago.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

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

The ruined remains of an early hydroelectric dam.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

Nature and art meet in this curvy creation

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

Built in 1931, this small passageway is believed to be the first modern skyway.

The literary king of the Jazz Age was born in this lovely Minnesota home which still honors his legacy.