One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A curiosity-seeker's paradise set inside a three-story historic school house.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

This fireplace-turned-monument pays tribute to the assassinated U.S. president.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The world's largest collection of the world's largest objects is in one small Illinois town.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

An abandoned water sports stadium that has become a haven for graffiti and decay.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Home to drunken tower-climbing goats... seriously.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.