Houston, Texas
A Four Seasons hotel spa in downtown Houston with three treatment rooms, a couples' suite and rooftop pool access, open to day-pass guests.
$$$$
Spas with rooftop
2 spas match
Tierra Atacama, Beckons
Destination SpaSan Pedro de Atacama, Antofagasta
A hotel spa inside the luxury Tierra Atacama lodge near San Pedro de Atacama, with indoor and infinity pools, sauna, steam room and treatment rooms, open only
$$$$