[mapt]

Galveston underwent a similar transition of two stories after the catastrophic damage of a hurricane in the year 1900, in order that it would never be vulnerable again†

†Unless the city expanded outside the elevated seawall, which it did... for a time. Predictably, another hurricane has corrected this oversight recently.

http://en.wikipedia.org/wiki/Galveston,_Texas#Hurricane_of_1...