Yelp took the events to a new level last week, literally. A kayak tour up the Buffalo river and a tour of Silo City, where heady entrepreneurs are creating a rock climbing gym out of the abandoned man-made mountains of concrete and steel in what used to be the Great Lakes' busiest agriculture product distribution centers.

These monoliths of a time and economy long past still stand. Honestly, they're built more solidly than most fortresses - it would probably require more to take them down than do something with them standing.

And this is what someone is doing with one of them: the world's most unique exercise facility. The tallest rock climbing walls anywhere in the world. Rappelling, training, kayaking - all part of the revitalization of a waterfront once squandered.