Trailer Park After Dark in downtown San Diego's Gaslamp Quarter dropped below street level on Fifth Avenue in 2017, building a subterranean dive bar around three era-themed vintage trailers — a 1960s psychedelic pod seating 10, an 80s model for 15, and a 1970s disco rig that packs 25 beneath rooster wallpaper and string lights. The scratch kitchen serves smash burgers, loaded tater tots, wings, nachos, and tacos with intentionally irreverent cocktail names — a self-aware basement concept that Yelp ranked number three on its 2026 Most Outrageous Restaurants in America list, a distinction no other Gaslamp bar holds, including the multilevel format at Taste & Thirst up the block. Neon signage, paper-bag beer service, and vintage trailer-park ephemera set a tone that deliberately inverts the polish of the Gaslamp's cocktail-lounge scene. The trailers and four booth sections double as reservable private spaces with food-and-drink minimums starting at $300, a group-booking model calibrated to bachelor parties and birthday crews — the same demographic that fills the arcade cabinets at Coin-Op Game Room several blocks north. The highest-value booking is the 1970s trailer at full capacity — 25 guests, a dedicated server, and a $750 food-and-drink minimum for a full disco-era buyout below the Gaslamp.