2
Subterranean Seattle
608 1st Ave,
Seattle,
WA
During the Great Seattle Fire in 1889 the entire business district burned to the ground in one day. This desaster lead to a unique and really practical solution: the city was rebuilt one storey higher! The former ground fl... showcaves.com
3
Cascade Grotto
Seattle,
WA
3rd Fri; 7:00 p.m.; Shoreline Conference Center-Odd Numbered Months; The Milton Tavern-Even Numbered Months nssio.org