The local bus company does a “mystery bus trip” every couple of months or so where you pay a flat fee, hop on the bus and go do something. They give you just enough info to know if you might want to do it or not and how to dress and the rest is just up to whatever happens
Along similar lines, there are chartered bus tours that you can sign up for to go to multiple destinations in a city farther afield.
The local bus company does a “mystery bus trip” every couple of months or so where you pay a flat fee, hop on the bus and go do something. They give you just enough info to know if you might want to do it or not and how to dress and the rest is just up to whatever happens
“Bring a shovel, painters overalls, and a bag of lime”