This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

The romance of early commercial flight still fills this Art Deco destination.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

The towering figures were created from the cemetery's fallen old-growth trees.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A clone of a cloned tree that was so important it allegedly had its own guards.

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

A celebrity from the late Cretaceous period.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

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

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Home to items never before seen by the public.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

This tiny structure was built by the creator of the Brooklyn Bridge.

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.