An artificial crater field that trained astronauts for lunar exploration.

Ancient pueblos built into the base of a natural canyon wall.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Rainbow-hued local gem in Venice.

A lonely Gondola stuck on a traffic circle sits in a spot where it once would have floated down the Grand Canal.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

Legendary prop shop filled with one man's collection of scientific curiosities.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

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

Outsider Art Community.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The world's largest military aircraft cemetery.

This sanguine boulevard was named after a deadly cowboy bar fight.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

A heavenly experience, right here on Terra Firma.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

The fading, forgotten remains of a once bright and booming factory.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.