Enter the Forest of the Elves.

Half of a waterfall goes into the river while the other half seems to disappear.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

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

The remnants of an early American attempt at missile defense.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

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

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

The shape of this old salt factory complex was inspired by the course of the Sun.

This collection of French root art looks like an indoor fairy wonderland.

A charming little museum founded by the designer of the Statue of Liberty.

DIY collection of eclectic holdings.

Continuing the tradition of the dime museum in style.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A museum dedicated to the alleged Roswell Incident.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Native Americans built this circle of stones, which was used to predict astronomical events.

One man's ambition created this psychedelic log home.