Create your own city complete with roads, cars, planes, helicopters, and more.
Other mods include Pam's Harvest, several Macaw mods for building, Bibliocraft, Medieval Armor (because why not?), Armourer's workshop, moving elevators, Simple Guns, Bubustein's Banknotes, Biomes O' Plenty, Twilight Forest, and more.
Also includes is World Edit and a few mods to improve speed and memory issues.