Each step is a mere 4 inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

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

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

America's first serial killer rests in anonymity.

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

Yo, Adrian!

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

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

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

A layered tribute to the work of mosaicist Isaiah Zagar.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

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

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

The first American department store, and home to the largest operating musical instrument in the world.

World's first "penitentiary," meant to be humane, drove men insane.

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

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

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.