Victoria Falls a visa each time they cross the border; visas can be obtained at both border posts. Costs vary from US$50–$80 (). Visa regulations change frequently; visitors are advised to check the rules currently in effect in both countries before crossing the border in either direction. Additionally, foreign tourists may purchase a KAZA visa for US$50 that will permit visitors to travel between Zambia and Zimbabwe for up to 30 days as long as they remain within the covered countries. A famous feature is the naturally formed "Armchair" (now sometimes called "Devil's Pool"), near the edge of the falls on Livingstone
Victoria Falls common usage as well. The World Heritage List officially recognizes both names. Livingstone also cites an older name, "Seongo" or "Chongwe", which means "The Place of the Rainbow" as a result of the constant spray. The nearby national park in Zambia is named "Mosi-oa-Tunya", whereas the national park and town on the Zimbabwean shore are both named Victoria Falls. While it is neither the highest nor the widest waterfall in the world, Victoria Falls is classified as the largest, based on its combined width of and height of , resulting in the world's largest sheet of falling water. Victoria Falls