Nation

American history resides in Hamilton: Capt. John Cleves Symmes and his ‘Hollow Earth’ theory

Capt. John Cleves Symmes declared back in 1818 that the Earth was hollow and inhabitable inside, inspiring expeditions and literature.

      
Nation

American history resides in Hamilton: Capt. John Cleves Symmes and his ‘Hollow Earth’ theory

Capt. John Cleves Symmes declared back in 1818 that the Earth was hollow and inhabitable inside, inspiring expeditions and literature.