If you thought last weekend was eventful, this coming weekend is going to be mammoth! Whether you’re looking for something to do outdoors or spending time indoors to take in a little history and nostalgia, get out there to take it in before the rest of 2015 flashes by. Goodbye, Hello (Dec 4-6, open 48 hours) Free While The Beatles won’t be there, the beetles certainly will. The Royal Alberta Museum will have a final farewell party…