Little city or how to fit a G scale layout in 10 by 13 parlor

Having grown up in the San Francisco I have so many memories that I wanted to enjoy them again in G scale.Cable cars, playland, the hills I grew up in North Beach,Chinatown and than there were trips to Lake Tahoe ride the old trains in Virginia city where I fell in love with steam .....How to fit it all in a small parlor......