A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

How did the 110-foot limestone statue cross the road?

The World's Largest Bull.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

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

Millions of dollars worth of sculpture decorate this Iowa city center.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A quirky collection of outsider art made from automobile parts.

A miniature golf course crafted inside the world's largest simulated cave.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

This sparsely populated town offers a look back in time.

At this research institute, the chile is king.

A sculpture of a flying hawk made from colorful car doors.

Some of the Old West's most notorious outlaws frequented this mining town.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

The U.S. Air Force has an anti-satellite laser weapon.