They came along right after the Nineteen Sixties.
They do say of those times that if you can remember where you were, you weren't there.
The Mushroom House in Perinton, New York was designed in the Seventies by architect James Johnson and is now for sale for around a million mushrooms.
There's more about the house here and here.
Perinton by the way was recently voted one of the best places to live in the US.
But they didn't say who voted.
Or what they were on...
