Look closely and you’ll notice that the color changes a third of the way up the tower.

Curios, scientific antiques, oddities for sale.

A once-thriving hotel from the Old West now sits abandoned, under the threat of demolition.

This distinctive snowfield on the slopes of a Colorado fourteener has several legendary origin stories.

One of the oldest continuously operating amusement parks in the U.S. is an open-air museum of Art Deco and neon lights.

This gallery is home to everything from antiques, to ancient tribal masks.

A massive sea stack famous for its appearance in The Goonies.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

This cliffside memorial marks the final resting place of a lonely violinist.

This blowhole is supposedly caused by a trapped monster.

This monument built by Japanese American immigrants spent decades underground.

This former luxury resort in Kaua'i is now an abandoned relic.

Now a pedestrian bridge, this was once part of a narrow-gauge railroad that ran along the east coast of Kauai.

These natural hot springs form four-tiered soaking pools with temperatures ranging from 85 to 115 degrees Fahrenheit.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

An overlooked memorial honoring the local Washington residents who died in World War I.

The only nuclear weapon assembly and disassembly plant in the U.S.

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

A flat-topped butte that makes a constant backdrop for Western art.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

This quirky hot springs town known to locals as "T or C" was named after a radio show.