Sprawling Elberfeld includes the busy city center, with malls, mid-range stores, and global eateries. Nordstadt and Ostersbaum are lively, multicultural neighborhoods with simple bars and Turkish grocers. The Von der Heydt Museum displays a large Expressionist art collection, and the grand Historische Stadthalle houses an ornate concert hall. The Botanical Garden in Hardtanlage park is home to many endangered plants.