One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

The last funhouse of its kind, where guests enter through the mouth of an 80-year-old blue whale.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

Catch a ride through the Pennsylvania countryside on this historic narrow-gauge railroad.

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.

The corporeal remains of Napoleon III's dentist rest under this 15-story obelisk.

True to his word, George Swanson is buried in his white 1984 Corvette.

An industrial waste tourist attraction.

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

These hooded graves are the only of their kind in the United States.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

In this cemetery stands the country's first public crematorium.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

Narrow gorges and deep pools created by long-ago glaciers.

The first of Lancaster's "rural cemeteries."

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

"Where the ducks walk on fish."