Walt Disney World Railroad
The Walt Disney World Railroad (WDWRR) is a heritage railroad and attraction located within the Magic Kingdom theme park of Walt Disney World in Bay Lake, Florida, United States. A 3-foot (914 mm) narrow-gauge railway, its route is 1.5 miles (2.4 km) in length and encircles most of the park, with train stations in three different park areas.
Source: Wikipedia — Walt Disney World Railroad (CC BY-SA 4.0)