There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

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

A secret greenspace hides atop a Capitol parking garage.

This lovely pocket park is one of the most under appreciated in D.C.

The oldest continuously operating fish market in the United States.

Dedicated to the man who created the first radio wave communication system.

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

The last remaining building in Washington, D.C., built by H.H. Richardson, one of America's most iconic architects.

This poor little statue is the most vandalized memorial in Washington.

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

The first memorial dedicated solely to the Black troops who fought for the Union.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

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

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The romance of early commercial flight still fills this Art Deco destination.

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

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

The only museum outside of Australia dedicated to exhibiting the artwork of Indigenous Australian artists.

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

An abandoned textile mill that is now home to art and concerts.