As others have mentioned, it's a little pricey, but the view from top is incredible. You'll feel your stomach tighten as you walk onto the glass floor and peer 525 feet down to the street. Their digital audio tour is entertaining and informative. You walk around the Calgary Tower at your own pace and click on highlighted buildings to learn fun factoids and hear stories of the past. It's also a good way to get a birds-eye view of the streets and figure out how to get to all the tourist spots you want to hit.