Big House

The Big House is a large, sky blue house which serves as the main administrative building at Camp Half-Blood. Mr. D, Chiron, and other Camp Half-Blood staff members including all cabin leaders usually have their meetings there and it serves as the camp's infirmary. There are four floors, a basement, and an attic in the big house. It is home to Mr. D, Chiron, and Argus. All new campers go there to see the orientation film, as well as to meet Chiron and Mr.D.

History
The Big House was part of Camp Half-Blood for a long time. It has held the Oracle's body ever since she died (before Rachel was made the Oracle). It had red paint during the 80s' through the early 90s', but has since been painted blue with white trim with a bronze eagle weather vane with wind chimes that turned into dryads as they spun.

Infirmary
Wounded demigods would usually go here for treatment or healing. Most likely staffed by the Apollo cabin because their father, Apollo, is the god of healing besides being the god of the sun, music, prophecy and the arts. But Argus also helps out in the Infirmary. In The Lightning Thief movie, there is an infirmary but no mention of a Big House is made. In The Lost Hero, Piper woke up in the infimary after fainting in Hera's cabin. "She was lying in a bed with a white curtian on one side, like a nurse's office."

Attic
The attic is the home of many things. It holds many trophies that demigods have taken from monsters and other situations such as long ago quests that many different demigods have taken. The attic used to hold the Oracle's body (or what was left of it), which told prophecies for the quests of the campers, but since the Oracle was replaced, prophecies are now told in a nearby cave. Or, like in The Lost Hero, if Rachel would suddenly black-out into a prochecy, the campers would place her on a stool.

DeckBig_House_Porch.jpg
Where Chiron and Dionysus play Pinochle most of the time. It is furnished with lawn chairs and tables, like a vacation home. Lawn chairs are occassionally upgraded with pillows and a blanket to help ease a wounded (or recovering) and resting demigod. The deck wraps around the Big House's entire perimeter, giving an excellent view of the Long Island Sound and Camp Half-Blood's immense forest.

Chiron's Office and Apartment
Where Chiron has his room and does official business from his desk; has a record player and a full screen video (where the orientation film watched by all new campers is located). He also has a boom box (with the most horrible music from Italy with a bunch of violins and some guys singing opera in Italian) that was used by Annabeth and Percy to scare away the Stymphalian Birds. Chiron's apartment is also located here as he lives and gives training to Percy and other demigods at camp.

Rec Room
This is the room that Chiron holds all of the head of cabin meetings, as seen in The Lost Hero. It also has a ping-pong table, as that is the "table" that the meetings are held around.

Basement
The only mention of the basement is when Chris Rodriguez was taken care of in The Battle of the Labyrinth by Clarisse. Chris Rodriguez was driven insane by Luke's men in the Labyrinth and Clarisse was attempting to calm him. The basement is a storage space for stockpiled ambrosia and strawberry preserves.