- ul Długa 52
- 022 831 3221
- adult/student 6/3zł, Sun free
- 9am-4pm Mon-Thu, 11am-6pm Fri, 10am-4pm Sun
Lonely Planet review for Archaeological Museum
The northern end of the square is a busy intersection overlooked by the former Arsenal, a massive 17th-century building that now houses the Archaeological Museum. Its permanent exhibition on the prehistory of Poland is periodically enlivened by temporary displays.