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

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

A field of nothing but boulders which resembles a giant's gravel driveway.

A failed piece of Orientalism has become the proud symbol of a community.

The first of Lancaster's "rural cemeteries."

The oldest farmer's market in America is so ancient it was approved by the King of England.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

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

A local prank turned town icon.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

This dramatic rail curve was once the target of a failed Nazi attack.

Steepest flood safety railway in the entire world.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This abandoned iron furnace was one of the first to use coke—a type of high-carbon fuel—to make iron.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.