This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

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

The world's longest known cave system.

This small-town pizzeria won the Hollywood lottery.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A swamp and garden tour featuring local wildlife and exotic botanical specimens from around the world.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

From a supper club to a gay bar to an HBO shooting location, this 125-year-old Victorian mansion has lived many lives.