This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

100 year tradition of fist fights, marked by marble footsteps.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Pompeii's less famous neighbor is still revealing her secrets.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

In which a local geological marvel becomes a quaint roadside attraction.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Dedicated to one of the darkest moments in Irish history.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

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

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

Narrowest house in Boston.

The ancient tomb acts as a calendar that keeps perfect time.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

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.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

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.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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