Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

This lovely tree was a thank you gift from the man known as "Public Enemy No.1."

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

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

The trials and tribulations of marking Poe's grave.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

This abandoned sea fort has become an accidental bird sanctuary.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

Ship skeletons haunt Baltimore's waterways.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A remote horde of architectural treasures fit for Indiana Jones.