A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

The Boston square dedicated to the dark poet who was born nearby.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

The site of Paul Revere's historic two lantern warning.

Abandoned Italianate architecture on the coast of Maine.

This picturesque abandoned home is rumored to be a spite house.

Yo, Adrian!

Century-old shop, specializing in Occult products.

Home to items never before seen by the public.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

The only Leonardo Da Vinci painting in the Western Hemisphere.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The "lovely red Vega" of the legendary record-settling pilot.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Washington's iconic carousel has a nice piece of Civil Rights history.

This large garden vase urn has nothing to do with the seventh U.S. President—it was designed by one landscape designer to honor another landscape designer's contributions to the National Mall.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

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.

Decades before the scandal, this staircase on the river was a literal "water gate."

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

An overlooked memorial honoring the local Washington residents who died in World War I.

Once a safe haven for Black patrons and performers—including Billie Holiday and Duke Ellington—during the Jim Crow era, portions of this nightclub and motel have been restored to welcome a new kind of visitor.