I was just looking at Roll20 a few hours ago.  I was hoping to find a map/marker system online that I could use for an RP Idea I had.

Got the idea for that type of RP while watching this:

https://www.youtube.com/watch?v=8OJDm-BXJD8&list=PLYcjWhKow9dplJ0vQL4ofKK_v9nI5ucvY