One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

This North Carolina store preserves a historic moment in America's movement for racial equality.

Conjoined twins Daisy and Violet Hilton were stars of the vaudeville circuit.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

World War II bunker still standing on the New Jersey beach.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

This Great Depression-era creation was once known as the strangest house in the world.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

Final resting place of two dozen New York City harbor ships.

Where the embers of the Big Bang were first detected.