File The Historic Railroad Hiking Trail is a 7.5-mile round-trip mile hike with views of the mountains and Lake Mead and five 300-foot-long and 25-foot-wide tunnels along the way. You can enjoy a …

File
The Historic Railroad Hiking Trail is a 7.5-mile round-trip mile hike with views of the mountains and Lake Mead and five 300-foot-long and 25-foot-wide tunnels along the way. You can enjoy a virtual walk along the trail while learning about the construction of Hoover Dam.