Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

This elaborate banquet hall in Queen Victoria's summer residence is an homage to Indian architecture, including miniature models of palaces in India.

Next to Salt Lake City's Assembly Hall stands a tribute to some unlikely heroes of early Mormon settlers.

A multicolored mineral mound dribbles piping hot spring water right off the side of a highway.

Let Ouray’s tallest waterfall sweep your breath away on a dealer’s choice of scenic hikes.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

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

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.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

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

This vintage theme park is peak Christmas kitsch—and it's open all summer.

Snapshots of late 19th and early 20th century Americana, focused on life on the plains, are displayed in this museum.

Experience life in one of America’s smallest neighborhoods.

This freewheeling amusement ride is the last of its kind.

This 19th-century house museum features a horse-drawn hearse and other antique oddities.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

This shrine commemorates the site of the first known Catholic mass in the United States.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

Many mysteries surround these objects questioning whether they are cannonballs at all.

This seaside property, an example of Art Deco Streamline Moderne style, was designed to embody the curves of a great ship.