The National Land Development Museum at 18 Jeongdong-gil, central Seoul, presents the history of urban development, transport and construction. The KTO listing updated in 2026 describes free entry, hours of 9:30 a.m.–5:30 p.m. and last admission at 5 p.m. It closes on Mondays, January 1 and major lunar holidays, with substitute closure rules when applicable.
Wheelchairs and strollers are listed for loan at the first-floor information desk. The nursing room is next to the first-floor lockers, while accessible toilets are on floors 1 and 4. An elevator and step-free entrance are also identified.
When combining museums around Jeongdong, keep their different admission cutoffs and closing days separate.