The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

This small canyon park was once the main street of Silver City—until a flood washed it away.

The oldest continuously occupied public building in the United States.

This conservation area is also home to many of the region's desert tortoises.

Meet 'Big Josh,' the 20-foot-tall muffler man.

An eclectic trailer park retreat in the middle of the California desert.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

A unique gallery filled with art that is interactive, accessible, and generates a ripple effect of creativity

Recycling meets art in this colorful barricade.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Ghost town with a beer-drinking goat for mayor.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

There aren't too many operational funiculars around, but Pittsburgh has two!

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Narrow gorges and deep pools created by long-ago glaciers.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.