One of the ghostly stops along Route 66.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

The ghost town that ended up on Ebay.

A Saint Nicholas-themed ghost town in the Mojave desert.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

Don't blink or you'll miss it.

One of the largest, oldest, darkest, quietest motel rooms in the world.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

The Grand Canyon’s original airport, which once welcomed pilots like Amelia Earhart and Charles Lindbergh, lies abandoned.

This Native American settlement dates back to the Pueblo II period.

An homage to everyone's favorite prehistoric cartoon family.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

The first steel dam in the world and the only one still functional in the United States.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

An artificial crater field that trained astronauts for lunar exploration.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A mysterious spirit totem at the edge of Navajo lands.

This historic national park is covered in the stunning ruins of red rock pueblos.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Dramatic river bend surrounds a natural red-rocked pedestal.