Cool and Unusual Things to Do in Gaithersburg - Atlas Obscura
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4 Cool, Hidden, and Unusual Things to Do in Gaithersburg, Maryland

Unusual Attractions in Gaithersburg

Explore Gaithersburg, Maryland

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Sludge return.
Oct 24
Washington, D.C., District of Columbia

Water, Water Everywhere

Get a behind-the-scenes look of D.C. Water’s Blue Plains Advanced Wastewater Treatment Plant, the largest plant of its kind in the world.
Civil War soldier with a guitar and one leg.
Oct 28
Washington, D.C., District of Columbia

Cut It Off! An Amputation Demonstration

Watch as a skilled medical historian amputates a (model) leg using Civil War-era surgical tools at the Clara Barton Missing Soldiers Office.
Mallows Bay is nominated to be a Marine National Sanctuary.
Nov 3
Nanjemoy, Maryland

In Search of the Ghost Fleet of Mallows Bay

Maryland’s “Ghost Fleet of Mallows Bay” is the largest concentration of shipwrecks in the Western Hemisphere. Join us by kayak as we venture through the nearly 200 vessels that lie there.
A bottle of white whiskey, only available at Mount Vernon.
Nov 10
Alexandria, Virginia

Taste George Washington's Whiskey

Join us for history and whiskey at George Washington’s distillery and gristmill at Mount Vernon.
The Enigma machine, developed by Arthur Scherbius in 1923.
Nov 13
Annapolis Junction, Maryland

Secrets Revealed at the Cryptologic Museum

Break some codes during this after-hours tour of the NSA's vast collection of unclassified and declassified artifacts.
Dec 14
Washington, D.C., District of Columbia

The Tunnels and Trapdoors of Tudor Place by Candlelight

Stroll through the elegant entertaining spaces of a Federal Era mansion, decked with historic Christmas decor, and then explore the tunnels hidden underneath.

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