The Home and murder site of the witch of Rehmeyers Hollow.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

A hidden alley in urban Baltimore is a haven for graffiti artists.

This free, take-a-book shop seems like a trick but isn't.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

A 14-foot monument marks the resting place of two of the town's earliest residents—and one unknown soldier.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

One of the oldest standing structures in Montgomery County, Maryland.

A sweet tribute to Georgia's official state vegetable, which even has its own mascot: "Yumion."

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

Tucked away inside a historic Savannah hotel is a hundred-year history presented in ladies' lids.

"X" marks the spot of an echo chamber in the middle of a plaza.

Water-themed sculptures guard this unusually square structure.

A replica of the famous memorial statue at the Normandy American Cemetery hides in an office building in downtown D.C.

A memorial to a shareholder activist feared by CEOs around the United States.

After his presidency, George Washington planned to live only a few blocks from the Capitol building.

Also known as the Founding Church of Scientology.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

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