This is the spot where the bloodiest battle in the American Civil War may have started.

This Pennsylvania structure, the oldest building in Gettysburg, was once a stop on the Underground Railroad.

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

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

Experience the pivotal Civil War battle at this interactive museum.

Travel back in time aboard a restored 1950s-era railcar.

A lush green oasis in the middle of Chicago.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

The rogue roots are gradually consuming some of the historic marble grave markers.

Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

Time travel with sweets across history at this research-based candy store.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This university transit system is a 1970's vision of the future.

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

After a battle with Congress, Webb C. Hayes installed the gates of the White House on the fence of his father's Presidential Library and Museum.

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

While seemingly a cruel joke, this bench actually honors an esteemed member of the community who passed away in 2006.

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

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

The Lincoln Memorial has inspired many, even though a word on the inscription appears to be spelled incorrectly.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

In 1952, this restaurant began selling the Colonel's “secret” recipe.