Walk across twin bridges over a deep canyon.
This is a popular destination for off-roaders and mountain bikers so you probably won't have the place to yourself. The parallel twin spans are just 6 feet apart but plenty wide enough to walk across safely. Children should be carefully monitored! From the top there are views down into Bull Canyon and beyond to Behind the Rocks close to Moab.
There are two trailheads. One is accessed from Highway 191 north of Moab close to mile 135.6. This access requires high clearance 4WD. A stock vehicle may not be enough as there's a steep sandhill to climb on the 7.5 mile road. Easier is the second trailhead, accessed from highway 313, the road to Dead Horse Point State Park, so the two can be combined in a single visit. Turn left around mile 13 on a 2WD dirt road (avoid when wet) and drive 5 miles to a trailhead within 0.25 miles of the bridges.