St. Louis Train - Zooline Railroad Complete Ride 4K
St. Louis Zooline Railroad. The Emerson Zooline Railroad offers a 20-minute narrated tour weaving through tunnels and past favorite animal exhibits on a 1½-mile round trip. One of the Zoo's most popular attractions, the Zooline Railroad has transported more than 35 million visitors since 1963. The railroad operates year-round. It's like a huge model train you can ride! Ravel's Adagio in G as the background music.