Step inside Lucy, the world's largest "elephant."

A diorama of the Civil War, fought by cats.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

Home of the only civilian casualty at the Battle of Gettysburg.

This vintage short line in Amish country runs passenger steam train excursions and still hauls freight.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

One of the oldest, tallest, and most haunted lighthouses in America.

Pennsylvania's own Roswell-style UFO mystery.

A bronze statue of Mister Rogers in the neighborhood where he grew up.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Mass grave of 50 unidentified French Soldiers who died at the Siege of Yorktown, 1781, that gave victory to the American Revolution.

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The location where the American Revolution ended.

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

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.