This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Yo, Adrian!

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

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

Ice cream stand, snack bar, and time capsule of milk conveyance.

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.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The land is home to swimming ponies and a legendary 18th-century treasure.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

A heartwarming message to those entering and departing Music City from above.

This replica of the Greek structure is in the heart of Nashville.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Outsider art meets paleontology at this roadside reptile repository.

America's post-nuclear-attack chambers of Congress.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This town at the north edge of Myrtle Beach holds a wealth of Black history.

A bronze sculpture of a white dove commissioned by Pope Benedict XVI.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.