Sycamore Den on Adams Avenue in Normal Heights is a mid-century cocktail lounge in San Diego designed as a 1970s-era den — wood-paneled walls, vintage furniture, glowing amber lamps, and a sunken seating section recessed below floor level — at 3391 Adams Ave in the 92116 ZIP. The cocktail menu mixes classic builds like the Manhattan and Negroni with rotating seasonal house creations, and the bar carries a separate zero-proof mocktail menu alongside local craft beer on tap and a selective wine list. A full-size pool table in the back room anchors the bar's social programming, which includes Trivia Tuesday from eight to ten, live music every Thursday from nine to midnight, and Body Language Burlesque — hosted by Ginger N Whiskey — on the last Thursday of each month. Adams Avenue's dining corridor runs in both directions from the front door: Ethiopian injera platters and spiced stews at Muzita Abyssinian Bistro handle the sit-down dinner side of the block, while Sycamore Den picks up where the restaurant kitchen closes. Saturday nights bring Open Table DJ sessions with vinyl sets that lean into funk, soul, and liquid drum-and-bass, and periodic paint-and-sip workshops turn the lounge into an instructional art studio. The rear patio is dog-welcoming with open-air seating, and free popcorn at the bar fills the snack gap for patrons ordering cocktails without a kitchen menu. Kensington begins a few blocks east along Adams Avenue, where the Kensington-Normal Heights Branch Library and the Kensington sign mark the transition into a more residential village-scale commercial strip. Families and tourists heading back from San Diego Zoo — under five minutes south via Park Blvd — find Adams Avenue bars on the drive home, and Sycamore Den's laid-back patio and mocktail list accommodate mixed groups better than a standard late-night bar. Small-batch ice cream at Stella Jean's Ice Cream on the same stretch of Adams Avenue gives dessert-first visitors a reason to walk the block before settling in for a cocktail. The sunken seating area holds four booths at roughly 18 inches below the main floor, creating a pocket of low-light, low-noise separation from the rest of the room — a design detail borrowed from 1960s conversation pits.