See the updates to Dragon Shire in the latest Heroes of the Storm Patch
Blizzard snuck a graphical update to the Dragon Shire map in the latest update to Heroes of the Storm.
Heroes of the Storm map guide
The object of the game is simple: just destroy the core and you win. The basic path to get there is similar, but each map has unique mechanics designed to crush your opponent. This is a discussion of both those basics and the mechanics.