An art deco ice cream shop covered in vintage tiles.

Where beautiful signs live on forever.

What is it about mushrooms that makes people wish they lived inside of them?

A castle built by an eccentric medieval enthusiast in suburban Ohio.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A local prank turned town icon.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

This giant, rotating globe was built to celebrate the expansion of a company that makes steam cleaners and pressure washers.

Pennsylvania's own Roswell-style UFO mystery.

This massive sycamore tree has been labeled as one of the largest in the state.

A cannonball from Union forces battling John Hunt Morgan made this church a permanent home.

Rumors persist that a bottle of whiskey is sealed within this Demijohn-shaped adornment.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

An eponymous directional signpost erected by the first president of the United States.

The birthplace of Appalachia's only first lady, who some have dubbed the United States' "first female president."

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

The real-life site of Ichabod Crane's infamous gourd attack.

The Father of the Erie Canal has a magnificent grave marker that redefines the term "final resting place."

A mysterious, abandoned building rotting on the Brooklyn waterfront.

A wooden rollercoaster that still delivers a thrill.

Once America's longest-manned military fort, now an abandoned hulk.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.