Las Vegas is honest about its climate: nothing survives outdoors without engineering. Downtown’s answer is the Fremont Street Experience canopy — four blocks of full cover — plus Container Park’s shade sails and the old casino arcades that predate air conditioning. Stitched together, downtown offers a half-mile of continuous covered walking, which is a half-mile more than the Strip manages at street level.
These picks work dawn or dusk in summer; the canopy blocks make midday possible when nothing else does. Stay Cool will refuse to route you on exposed blocks past 10 AM in July — take the hint.