The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

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

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

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

Perhaps the most scandalous statue of America's first president.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The headquarters of the famous Yale society.

The eccentric mansion of one of the most popular horror authors of modern times.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.