A park full of outsider art, created by college students studying outsider art.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

The graffitied ruins stand hidden within the Pennsylvania woods.

The Binghamton area is home to six of the last remaining hand-carved vintage carousels.

Metal monsters made from repurposed materials lurk alongside this Pennsylvania road.

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

Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

A gigantic 10-foot tall stone man.

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

A piece of crumbling highway infrastructure was repurposed as a high-tech facility for testing racecars.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

A tribute to one of the most famous cowboys on TV, and the consumerism that fueled his popularity.

Hundreds of 19th-century characters descend upon an Ohio town every autumn.

A collection of thousands of pieces of unique, colorful glass made in this Ohio town.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

A piece of baseball history is preserved in a Pittsburgh parking lot.

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

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

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