Check out this crazy YouTube video of people in San Juan de la Vega, Mexico strapping explosive fireworks to sledge hammers and whacking them on an I-beam. Embedding is disabled. You may want to skip towards the end. Found via the (un)Make:blog. More about this on the Living in San Miguel blog here and here.
I have to admit I like things that go boom and as a kid blew up plenty of stuff with firecrackers of various sizes. However, I don't think I've ever drank enough to try that.