Tucked into a quiet stretch of S Pearl St, 5 Star Salt Caves is the kind of place you go when your nervous system needs a reset. The salt cave rooms are lined floor to ceiling with Himalayan salt, and you just sit back in a zero gravity chair while halotherapy does its thing on your sinuses, skin, and stress levels. They also run infrared saunas and float therapy if you want to stack your recovery day. It's dim, it's quiet, and nobody's rushing you out the door. Regulars are Denver's allergy sufferers, high altitude runners, and anyone deep in the sauna and cold plunge rotation who needs a low key add on. First timers love it because there's zero pressure and staff walk you through everything. Book a solo session or bring a friend and just breathe for 45 minutes.