Visitor center hours are 9 a.m.-5 p.m. daily (closed Thanksgiving and Christmas Day). Doors close at 4:15 p.m. Last tour departs at 3:45 p.m. Where: Hoover Dam Access Road, Boulder City.

The town, about a half-hour south of Las Vegas, helped build Hoover Dam. A self-guided walking tour explores the project’s 1930s river-taming and engineering milestones with 10 stops along a ...

Read on to discover the best Hoover Dam tours from Las Vegas. Price: Adults from $90; kids from $80 Duration: 7 hours Guides double as stand-up comedians on this Hoover Dam bus tour. In addition ...

Both on-site guided tours include stops inside the power plant, but only the Hoover Dam Tour offers a look at the facility's inspection tunnels. If you'd like to take a power plant tour ...

Inside a tunnel on the Hoover Dam tour.Credit: Travel Nevada There are also ventilation tunnels and, on the way to the Arizona border in the middle of the dam, we’re allowed to venture down one.

Yet, the dam overall remains a key attraction, as more than seven million people visit the site each year, according to travelnevada.com. Two guided tours of Hoover Dam, a 40-minute Power Plant ...