Big Ben
London · run it from your treadmill
Big Ben is the name of the 13.7-tonne great bell inside, not of the tower itself.
OPEN ON THE TVHow: press OPEN ON THE TV on the TV or a computer, scan the QR with your phone, step on the belt. The Street View photos move with your steps; the phone steers, a watch adds heart rate.
Everything is free during the beta. No account, no setup.