The largest catacomb system in the world.

Featured in one of the most iconic scenes in cinema history.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This curious, round temple is the oldest still-standing marble building in Rome.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The world’s first penitentiary, meant to be humane, drove men insane.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

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

The trials and tribulations of marking Poe’s grave.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

An annual extravaganza of Broadway theater memorabilia.

Lie in a hammock where George Washington stood.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.