Modern Seoul on speed: an underground shopping mall as long as a city block, late karaoke, premium Korean BBQ, and Korea's densest office cluster above ground.
Block-long underground shopping. Korean street fashion + accessories.
Premium Hanwoo grills cluster around exits 11–12.
1 stop east at Samseong. 13m-tall library inside Korea's largest underground mall.
+ short bus / 1 stop east. Active Buddhist temple in the towers.
Late-night, walk-in, ₩500/song. Open till dawn.