Iceland is full of geothermal heated pools or "lagoons." In fact, you can find them anywhere... not just in these 2 main attractions. As it is out of this world in either case, I would go for both. It is a once in a lifetime experience for sure. If you're fluctuating back and forth, here is my impression of the 2 lagoons.
Let me know in the comments if you've had any experiences at these lagoons, or any other lagoons!
Iceland is known for being cold. Therefore, one can assume the water would be frickin' cold. Yet travel companies suggest snorkeling? How is this possible? Can you survive? Why would you do something so crazy?
Well I did that crazy thing, and it was one of the most amazing experiences I've ever had...
HORSES- The Icelandic horses are quite possibly the sweetest and calmest breed of horses on earth. They are designed for the weather, and you can go on riding tours! The horses are known for their quick pace walk called the tölt.