This is one really big nut.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A blacklight journey through a celestial art exhibit.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Colorado's only true geyser is hidden within the San Juan National Forest.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Roaming bison and a spectacular view at the highest point in Nebraska.

An idle pastime becomes a record holder in Boys Town, Nebraska.