Old WorldFort Jefferson
Fort Jefferson
Fort Jefferson: GENERAL VIEW, LOOKING NORTHEAST, ON THE NORTH SIDE OF THE FORT - Fort Jefferson, Enlisted Men's Barracks I, Garden Key, Key West, Monroe County, FL HABS FLA,44- ,1F-1
Fort Jefferson: GENERAL VIEW. LOCATED ON THE EAST SIDE OF THE FORT - Fort Jefferson, Powder Magazine A, Garden Key, Key West, Monroe County, FL HABS FLA,44- ,1H-1
Fort Jefferson: C. E. PETERSON, PhotoGRAPHER c. 1934 GENERAL VIEW OF PARADE GROUND - Fort Jefferson, Garden Key, Key West, Monroe County, FL HABS FLA,44- ,1-13
Fort Jefferson: Bakery Walls (50982895007)

Photo: Unknown photographer · Public domain · via Wikimedia Commons

Star fort · Dry Tortugas, Florida, United States

Fort JeffersonSuspected

Dated
Dated 1846–75; never finished
Declared purpose
Coastal fort
Today
Survives, national park
Build time
About 30 years, unfinished
Region
United States
On the list as
Suspected

Why it's on the list

About 16 million bricks on a remote coral island; its walls sink and crack into the foundations.

Hidden history

Found, Not Built

A hexagonal brick fort on a coral key 70 miles from Key West, never finished, with about 16 million bricks.

  1. Why researchers flag it

    About 16 million bricks on a remote coral island; its walls sink and crack into the foundations.

  2. 16 million bricks

    On a remote island.

  3. Settling

    The walls have settled and cracked as the foundation sinks.

  4. Never finished

    Work stopped with the fort incomplete.

Questions worth asking

  • How were the bricks delivered and laid here?

Possible original uses

  • Fort

What the photos show

Sources

Further viewing

Episodes from My Lunch Break (Michael Kruse), the main lens for this app. They open on YouTube.

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