This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

A popular swimming hole that hides one of America's most deadly diving spots.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

An emerald-green grotto just a short trip from Austin.

Continuing the tradition of the dime museum in style.

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

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

This unique sanctuary invites you to interact with the beautiful birds.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

An eight-sided home built during a brief octagon craze in the 1850s.

One street divides a single town that stands in two U.S. states.

This vast kitty-themed collection illustrates the history of human-cat interaction.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Outsider art meets paleontology at this roadside reptile repository.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

An allegorical sculpture in Maryland wears the artist’s politics on its trunk.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.