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
On the Border (film) On the Border (film) On the Border is a 1930 all-talking drama with songs that stars Rin Tin Tin. It was adapted from a story by Lillie Hayward who also wrote the screenplay. Armida sings two songs in the picture. Philo McCullough, as Farrell, is the head of a smuggling ring who are attempting to smuggle Chinese workers across the border from Mexico. McCullough stops at a hacienda, near the Mexican border, which is owned by Bruce Covington (as Don Jose). Covington's dog, Rin Tin Tin, senses that something is hidden under the vegetables, which McCullough has in his trucks,