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

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

An entire city block built completely out of petrified wood.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Every president in history is immortalized in bronze in downtown Rapid City.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Home to Hollywood history and a very special salt crystal.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Official museum, hall of fame, and repository of the Texas Rangers.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.