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

Don't blink or you'll miss it.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The Grand Canyon of Texas.

A shady solar power system that couldn't hold up to the harsh desert conditions.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A derelict bit of transportation infrastructure hidden in the woods.

On a dusty county road sit the ruins of a ghost town's abandoned church.

A mysteriously abandoned campsite in San Angelo State Park.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

This Pringle-shaped ledge makes for the perfect photo op.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

Each step is a mere 4 inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

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

The most isolated mailbox in America lets desert travelers record their passing.

One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.