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

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

A former major munitions plant that has been converted into a sprawling art space.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This unassuming passageway played a key role in one of the most important events in U.S. history.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Dine like an American revolutionary at Colonial Williamsburg.

Perhaps the most scandalous statue of America's first president.

The tunnel under the Capitol Building where Congress takes out its trash.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Washington's iconic carousel has a nice piece of Civil Rights history.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The "lovely red Vega" of the legendary record-settling pilot.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

America's first public mental health facility.

Cryptic messages embedded in the New York City sidewalk.

A small Richmond island dotted with the remnants of hundreds of years of history.