Steam and Mist
The Blue Lagoon probably qualifies as a tourist trap due to its cost, popularity and proximity to the airport. But did we want to cook ourselves in a big geothermal lagoon and slather mud on our faces all day, regardless of weather or air temperature, and order from the swim-up smoothie bar? Absolutely.
Gullfoss, hot springs and (little g) geysirs. Abundant water and geothermal heat is what keeps Iceland running in a very sustainable way. Did you see the short Gullfoss video Tony posted the other day?