Note: This calendar view maps the number of captures of http://www.albertasource.ca/realestate/multimedia/display_audio.php?url=http://www.albertasource.ca/realestate/audio/HeritageTrails_017.mp3&title=Frank%20Lloyd%20Wright,%20a%20famous%20American%20architect, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.