Three hundred years of preserved Spanish colonial history in San Antonio.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

Stolen goods adorn the organ at Old North Church.

This landmark cemetery in Boston was created more than 300 years ago.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

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

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

Oldest unrestored plantation house in America that is open to the public.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Paths are maintained, but trees have taken over plots.

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

This haunting tombstone comes complete with a heartbreaking story of love and loss.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

The record holder for the world’s largest peach.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.