Friday’s tours of the 1920s underground water reservoir buried along Buffalo Bayou are already booked up, but the space will be open to the public Thursdays through Sundays from here on out. A 30-minute tour of the Cistern is $2 (except on Thursdays, when access is free), but reservations are required either way.
Can’t wait for the next open timeslots to scope out the space? Artist Donald Lipski’s Down Periscope is already up and running on the lawn above the reservoir, allowing digital spelunkers access to a light, a camera, and a microphone permanently installed in the space below. Off-site viewers can also queue up on the contraption’s website to take remote control of the installation for 5-minute intervals and swivel around in the underground chamber at will: