Nigeria encompasses waterfalls, historic sites, national parks, and archaeological locations that document the country's natural and cultural heritage. The Osun-Osogbo Sacred Grove and Sukur Cultural Landscape are UNESCO World Heritage Sites, while geological formations like the Olumo Rock in Abeokuta and Idanre Hills shape the region's topography. The ancient Kano City Walls demonstrate the city's historic role as a trading center. National parks and reserves such as Gashaka Gumti, Yankari Game Reserve, and Okomu National Park protect diverse ecosystems ranging from savanna to rainforest. The Afi Wildlife Sanctuary shelters endangered primate species. Natural phenomena include the Ikogosi Warm Springs in Ekiti, where warm and cold water converge, and Ebonyi Salt Lake, which offers rare geological features. Waterfalls including Erin Ijesha, Owu, and Gurara draw visitors to forested regions. Archaeological sites like Nok Village, known for terracotta figures dating to the first millennium BC, and the Alok Ikom Monoliths in Cross River State document ancient civilizations. The Obudu Mountain Resort in Cross River provides access to highland areas. Coastal regions include the Epe Mangroves and beaches such as Tarkwa Bay and Eleko near Lagos, while cultural facilities like the Nike Art Gallery and National War Museum in Umuahia present historical and artistic collections.