The first and only carousel with a lineup entirely of insects.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Inside, ancient treasures. Outside, modern contradictions.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

An eerie smiling woman looms above the granite tombstones.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Remnants of a storybook amusement park hidden behind a strip mall.

Soaring over the Niagara Whirlpool since 1916.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Three hundred years of preserved Spanish colonial history in San Antonio.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Less a museum than a bizarre fantasy world created by artists and engineers.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This private residence was the template for one of the most beloved television homes of all time.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The world's longest known cave system.

A bizarre house filled with an astounding array of collections.