The world's largest collection of autographed baseballs can be found at the St. Petersburg Museum of History.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

These crumbling foundations are all that remain of the once-stately 1840s manor that gave the town of Bradenton its name.

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

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

The world's longest known cave system.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

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

Bizarre Cavern.

This general store is more than a century old and home to various oddities and antiques.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

This California artist's front yard acts as a gallery for his unique, scrap metal animal sculptures.

A table rock formation that has been intriguing West Virginians for years.

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

In the mountains of West Virginia is this perfectly preserved Art Deco train station.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

The farming museum contains an extensive taxidermy collection, including the world's largest stuffed horse.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Time travel with sweets across history at this research-based candy store.

A throwback to 1980's gaming nostalgia.

Developed by focused shutterbugs, this museum exposes visitors to more than 6,000 different cameras.