brewpack's User Profile - Atlas Obscura
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Washington, D.C.

Baptist Alley

This unassuming passageway played a key role in one of the most important events in U.S. history.
Washington, D.C.

The Tabulating Machine Co.

The early data processor factory founded in Washington for the 1890 U.S. Census went on to become IBM.
Washington, D.C.

Sharpshooter's Tree

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.
Washington, D.C.

Navy Yard Railroad Gun

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.
Washington, D.C.

The Mary Surratt Boarding House

The house where John Wilkes Booth conspired with his co-conspirators.
Baltimore, Maryland

Fell's Point Maritime Museum

A collection of artifacts from Maryland's maritime past.
College Park, Maryland

'Hand & Owl Tree Carving'

An unusual sculpture, an interesting history, in a strange place, for a good cause.
Frederick, Maryland

One-Million-Liter Test Sphere

This four-story steel sphere in Maryland was used to test biological weapons.
Gaithersburg, Maryland

World's Largest Deadweight Machine

The U.S. government built the million-pound stack of steel during the Space Race.
Gaithersburg, Maryland

Gaithersburg Latitude Observatory

Tiny observatory made big contributions to the study of the Earth's motion.
Boyds, Maryland

Winderbourne Mansion

This abandoned Victorian-style house was built in 1884.
Cumberland, Maryland

LaVale Toll Gate House

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."
Fort Washington, Maryland

Fort Foote Rodman Guns

A mammoth pair of Civil War artillery guns abandoned out in the forest.
Delmar, Maryland

Transpeninsular Midpoint Marker

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.
Cambridge, Maryland

Annie Oakley House

Historic home of America's sweetheart sharpshooter, Annie Oakley.
Cumberland, Maryland

George Washington's Headquarters

This one-room cabin where the young colonel slept during the French and Indian War.
Lonaconing, Maryland

Klotz Throwing Company

A remarkable time capsule of American manufacturing deep in Maryland coal country.
Frederick, Maryland

National Museum of Civil War Medicine

A Civil War Museum with some notable medical antiques.
Arbutus, Maryland

The Arbutus Oak

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.
Rockville, Maryland

Museum of Outdated Technology

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.
Oldtown, Maryland

Paw Paw Tunnel

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.
Nanjemoy, Maryland

The Ghost Fleet of Mallows Bay

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.
Fort Meade, Maryland

National Cryptologic Museum

A priceless collection of the Nation's cryptologic history.