American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

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

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

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.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

The Cadillac Ranch for monster truck aficionados.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Two stone columns flank the grand Venice square, but there were supposed to be three.