The oldest continuously occupied public building in the United States.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

This museum sits on the site of a decommissioned military communications base.

A 14-foot monument marks the resting place of two of the town's earliest residents—and one unknown soldier.

This supermarket is suspended 25 feet above an interstate highway.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

A whopping 14,000 copper coins cover this miniature fighter jet.

At this farm in upstate New York, the former president plotted his reelection campaign.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

A giant time capsule not scheduled to be cored until 2040.

A monument marks the location of the first successful steamboat demonstration.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

A public art jibe at one of the United States’ oldest and longest-serving senators.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

FDR's Art Deco hospital tower was hopelessly inefficient.

America's first public mental health facility.

This museum explores the grim reality of life in the earliest British colonies in America.

The highway's southernmost spot is a beloved local attraction.