The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

An abandoned tuberculosis hospital moulders on into an uncertain future.

The world's largest Our Lady of Guadalupe statue overlooks this Ohio sanctuary.

This sign designates the road that leads to the infamous Area 51.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

A stretch of highway even lonelier than the so-called "Loneliest Road in America."

A land of debatable treasure.

One of the best places to dig—some say on the planet—for six different types of chalcedony.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

This mill has survived a tumultuous past to still produce flour and cornmeal.

This museum is dedicated to the history and design of purses.

Giant papier mache hog sits on private property.

In the Ozarks, a waterfall shoots out from a glorious hole.

A large stone map of Arkansas awaits visitors to its highest point.

Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

The only diamond mine in the world where you can keep what you find.

Crystal hunters can dig for their own stones at this DIY mine in Arkansas’ quartz belt.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Two gushing waterfalls of hot spring water within a block of each other.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."