Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

These boots are made for selfies.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

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

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

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

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

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

Narrowest house in Boston.

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

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.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

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

An overlooked memorial honoring the local Washington residents who died in World War I.

Decades before the scandal, this staircase on the river was a literal "water gate."

The site of the climactic scene from the classic horror film is now a historic landmark.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Steadily reminding Czechia of its past.