No custom map in the modpack, its meant to be played as an enhancement to survival rather than an overhaul. As for the server, it's based around Factions, however there are custom dungeons that can be ran! There will only be one at release, but more will be released later.
Hey guys sorry it took so long to fix the link, but it should be fixed now!! if its not let me know! I'll share with you some more update news as 1.7 rolls around! Spoliers for next update: Progression, Bosses, & Fishing!!!