So, perhaps you have heard about all of these geothermal things at Yellowstone - geysers, hot springs, flumes, pools to name a few. We checked out a lot of them today, including the famous Old Faithful.
3:52), but the show stopper was the Castle Geyser - it blew away the competition (get it? Geothermal humor). This baby blew for 40+ minutes!
We also visited various other hot spots (too numerous to name) with otherworldly appearances. Charlie called it "insane", while I just thought if looked like another planet. Way cool stuff!