The soaring peaks and red-rock lava flows of the River Mountains. The snaking gravel paths that form a ghostly memorial to a Hoover Dam railroad. The rippling waters of Lake Mead. At All Mountain Cyclery, these local sights headline daylong bike and kayak tours of the wilderness surrounding Boulder City. Located only a 30-minute drive from the famed Las Vegas strip and 10 minutes from Lake Mead, the cyclery rents out Specialized bikes and sells two-wheelers by big other big names, including KHS and Redline. With a fresh set of pedals beneath their feet, cyclists can confidently cruise down the manmade Bootleg Canyon single track. Gravity tows bikes down the steep path at full throttle, leaving riders free to focus on navigating the challenging terrain and throwing their sneakers at distracting birds.