What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

The site of the first "historically true" UFO encounter in the U.S.

The unusual burial monument of Arizona's first governor.

A masked wrestling legend has opened the first U.S. course devoted to a meditative Japanese golf variant.

This derelict building used to house infirm Freemasons, their widows, and orphans.

The graffitied ruins stand hidden within the Pennsylvania woods.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.