A "house to which to flee" for settlers in colonial Pennsylvania.

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

The first of Lancaster's "rural cemeteries."

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

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

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

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

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

In which a local geological marvel becomes a quaint roadside attraction.

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

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Mysterious rocks that ring musically when struck.

A layered tribute to the work of mosaicist Isaiah Zagar.

A toxic ghost town sitting atop a massive coal fire.

The first American axe throwing club.

A daily replay of the experiment that proved the rotation of the Earth.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

This decommissioned surface-to-surface missile resides outside the American Legion Post in Pennslyvania.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.