A layered tribute to the work of mosaicist Isaiah Zagar.

A well-preserved example of an early industrial operation in the northeastern United States.

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

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

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

This local landmark is home to art galleries and the area's only community darkroom.

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

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

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

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

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

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

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

This giant disembodied horse head seems to balance impossibly on its nose.

A glittering Thai Buddhist temple in suburban Pennsylvania.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

Where the oil industry began.

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

Mysterious rocks that ring musically when struck.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

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

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

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."