Doghouse
In the early years of the strip, Snoopy's doghouse was typically seen from the front or front plus one side, with the standard arched doorway of a doghouse, and Snoopy's name arched over the door. Snoopy would sleep in the doorway.
On December 12, 1958, Snoopy slept on top of his doghouse, rather than inside it, for the first time. Thereafter, Snoopy was seldom seen to venture inside the doghouse, except to retrieve something, instead spending the bulk of his time sitting or lying on its gable roof. One strip ascribed Snoopy's ability to sleep there to his ears, which—like the feet of a perching bird – "lock" him to the top so that he doesn't fall. How his typewriter balances there (let alone other neighbourhood kids) is never explained.
At this point, the side view of the doghouse became standard in the strip, which allowed the imagination of Schulz (and Snoopy) to expand this dwelling beyond the limits of a normal doghouse.
Despite Snoopy's tendency to stay outside in all weather (in some cases even allowing snow to accumulate on his supine body, or wearing a snorkel when it rains), a running gag established that the interior of Snoopy's doghouse was something extraordinary. It defied physics, being dramatically larger on the inside than the outside, much like the TARDIS on Doctor Who. Snoopy's doghouse had a carpeted foyer, a den, a library, a guest room, a stairway, a basement, a television, a bed (although he sleeps on the roof), a pool table, and an original Van Gogh. The first indication of the doghouse's unique layout occurred on January 31, 1954 when Charlie Brown was puzzled to see all his neighborhood friends crawling into it for a visit. The doghouse was destroyed several times over the years, being hit by a tree due to a chase over Linus's blanket (July 26, 1959), crushed by a large icicle (February 13, 1960), and finally burned to the ground (September 19, 1966; At the beginning of that year a fire damaged Schulz's studio). The doghouse also suffered damage from the particularly violent cat next door, World War II, who would swipe off a large portion of the doghouse, leaving a frightened Snoopy standing on the remaining strip on one foot (The Charlie Brown and Snoopy Show). In each case the doghouse was soon rebuilt. Although individual items were lost in the fire, each replacement doghouse appears to have retained the spaciousness and opulence of its predecessor.
The interior was decorated with several pricey acquisitions including a painting by Van Gogh, first mentioned on February 29, 1964. After the fire destroyed the Van Gogh, it was replaced by an Andrew Wyeth. At various times the interior of Snoopy's doghouse also held a table tennis table, a mural (painted by Linus), a shower, a cedar closet, a grandfather clock, and a whirlpool bath.
Features established in the television specials include a fine kitchen (A Charlie Brown Thanksgiving), and sound equipment (A Boy Named Charlie Brown). In It's Magic, Charlie Brown, Snoopy enters his dog house and the underground interior is depicted as spacious and well equipped for anything he needs.
The doghouse also serves as a prop for Snoopy, often imagined as a World War I "Sopwith Camel" fighter plane in Snoopy's battles with the Red Baron. During these aerial fights, Snoopy's house often suffers from bullet holes and occasionally crashes. However, this seems to take place solely in Snoopy's imagination, as the house is in perfect shape later. Once, the doghouse serves as a commercial airline, with Snoopy as the pilot. Marcie serves as a stewardess when Schroeder goes to piano camp.
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