Parkwood Estate Gardens (Parkwood National Historic Site), 270 Simcoe Street North (north-west corner of Adelaide and Simcoe Streets, across the street from the Hospital (Lakeridge Health) and the R.S. McLaughlin Durham Regional Cancer Centre.), ☎ +1 905-433-4311 (email@example.com, fax: +1 905-721-4765), . The museum is closed Mondays. Museum hours are Tuesday-Saturday, 9:00am-5pm.. A grand private estate featuring architectural, landscape and interior designs of the early twentieth century English Arts and Crafts period.