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

This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

Overshadowed by quilts, the artistry of these patterned textiles went underappreciated for too long.

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

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

Locals call this magical moss-covered walkway the "Emerald Path."

An ideal wedding spot that is almost too ideal.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

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

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

This secluded walking trail is a hidden gem of a Pittsburgh park.

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

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

It would take 35 firetrucks to fill this enormous glacial pothole.

America's first serial killer rests in anonymity.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

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

This park contains a number of standing stones meant to heal and inspire.

Pennsylvanian mass grave and possibly mass murder.

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

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.