One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

When flour explodes, it's not a pretty sight.

Peek inside Howard Hughes' garage at this Hollywood-themed art installation.

This lone survivor of a regional franchise still slings delicious burgers and colossal servings of fries.

This once prosperous community was home to European settlers and the Ojibwe.

An offbeat angle on the ocean viewed through an antiquated lens.

Bits and pieces from the ill-fated Donner Party's winter cabins.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Medical and zoological curiosities for sale.

An artsy hidden staircase leads to breathtaking views of San Francisco.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A huge musical instrument played by the ocean.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

A small flooded ghost town with a few scattered structures remaining.

Contains a wealth of information about the first exploration and later use of the Green and Colorado Rivers.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

A tunnel with windows, so you don't miss out on the impressive views.