Morning light spills across Muscat’s corniche before the highway bends toward limestone cliffs and an emerald hole in the earth. At Bimmah Sinkhole, the rock yawns open and invites a swim; the Gulf murmurs just beyond. Farther along, Fins Beach flashes white sand and polished pebbles, then the road funnels into Wadi Shab, where a palm-lined gorge draws you in with a 35–40 minute hike over boulders and ledges. The pools are warm and clear; the canyon dares you to swim into a narrow cleft where a small waterfall hides in blue light.