This is DR Prisons, in them you will find:

Suggested PvP areas (override if you want)

Cafeteria shop area (left to be complete on servers)

Hell, Heaven, and Classic versions (not in pictures)

Fully functional cell toilets (aka waste disposal units)

Integrated Sewer system (May have secrets or may not, those buttons are there for a reason)

PvP Tower (Warning: Not responsible for death by fall if you choose to pvp in this area)

Prison reactors (Prisoners must donate to keeping the reactor's furnace on to keep the lights on to avoid enderman spawning)

Mines (left clear for server preferences)

Coed showers (because no one in minecraft is naked…right?)

Basketball court / Courtyard (Courtyard leaves are to allow for roofless lighting)

Easter Eggs: 1 obvious and 1 hinted

Warden's Office (complete with systems to control lighting and optional enderman killing commandblock)

Specs and Recomendations:

Keep load distance at 10 or less depending on server memory.
Command blocks are not needed the one in the warden's office is an optional. All systems are redstone based.
Spawners are set up to keep up the supply of bio-fuel (cactus) for the furnace reactors, death potions for the warden's Office, and the sewer guardians (not avalible in hell version for obvious reasons).