Plan a respectful Seodaemun Prison History Hall visit with winter hours, tickets, the Dongnimmun approach, a flexible 90-minute route and practical access cautions.
Plan a free War Memorial visit from Samgakji: subway exits, English commentary, current Room I disruption, closing-time choices and parking costs.
Plan a 90-minute SeMA visit near City Hall: current exhibitions, winter last-entry times, subway exits, outdoor approach and practical rainy-day choices.
Plan a free zoo-and-playground half-day, choose the right subway gate, and compare ride costs, stroller rental and the museum’s separate booking rules.
Plan a 60–90-minute Changgyeonggung walk from Honghwamun to the pond and greenhouse, with Hyehwa directions, admission costs and the November 2026 evening-access exception.
Choose a free DDP architecture walk or a ticketed exhibition, with subway exits, opening-hour caveats and a realistic rain plan.
Choose the paid greenhouse or free park, plan around November–February entry times, and follow a short route from Magongnaru without expecting a fully indoor day.