This national landmark is also home to a massive treehouse.

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

At the end of a street is a statue with no indication as to why it was created.

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

A full-service gas station known as the oldest in America.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

A museum dedicated to the history of electric interurban transit near the home of the first electric trolley system in the United States.

Outside a small brewery, a Gothic fountain that once provided water to thirsty horses.

A fascinating community art piece created by students, teachers, and noted Philadelphia artist Isaiah Zagar.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

These ruins of an octagonal stone school that was later used as an A.U.M.P. church exemplify a popular school design from the 1830s.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

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

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

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

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

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

Where the famed frontiersman was born, raised, and survived Quaker intrigue

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

These medicine cabinet staples are part of the museum's collection of everyday objects.

This massive sycamore tree has been labeled as one of the largest in the state.

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

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.