Ultimate Hoover Dam Tour. Visit the Hoover Dam on this all-inclusive tour from Las Vegas with a small group. With a knowledgeable guide, learn about the history and mechanics of the dam through engaging and informative commentary. Walk through the displays and exhibits at the Visitor Center, then take the Powerplant tour. The highlight is a 45-minute 'Walk on the Top'; this tour is one of the only excursions from Las Vegas to offer this feature. Round-trip transportation from Las Vegas hotels and a restaurant lunch are included. Get Special Offer! Ultimate Hoover Dam Tour From $79.99.