Walk in one direction until you find water, then stop

Micro-adventure

Visit somewhere that's always closed when you happen to pass it

Micro-adventure

Go on a bike ride until you find a sweet treat

Micro-adventure

Follow a bus route on foot

Micro-adventure

Take a bus at random and get off when something looks good

Micro-adventure

Pick a color and follow it across town

Micro-adventure

Visit a place at night that you only know in daylight