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

A celebrity from the late Cretaceous period.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

This taxidermy horse was a Civil War hero.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

A secret greenspace hides atop a Capitol parking garage.

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

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The 28,000-year-old specimen is remarkably intact.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The poet's been ambling through these New York woods since 1940.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

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

Recorded as the first person buried in Arlington Cemetery.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

Though his role as the inventor of baseball may be up for debate, fans still festoon Doubleday's grave with baseballs.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

Alexander Hamilton’s creation caused quite a bit of controversy.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.