A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

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

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

Engraved in stone here are the signatures of everyone who signed the Declaration of Independence.

A gift from Japan, 17th-century lantern stands among the cherry trees at D.C.'s Tidal Basin.

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

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

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

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

A historic arena where the Beatles played their first concert in the U.S.

Its diverse collection of computers and technology spans the ages.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

Home to items never before seen by the public.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

This school was designed to support the rebuilding of African American schools around Delaware.

The longest-covered bridge in the state of Maryland.

The stone supports mark where a historic railroad once crossed one of Towson’s main roads.

The land is home to swimming ponies and a legendary 18th-century treasure.

A secret, ethereal waterfall beneath the picturesque gardens.