Here you can see the North American Plate on the right and the Eurasion Plate on the left — both pulling apart from one another. This is in Thingvellir and the coolest example of plate tectonics I have ever seen. Before I saw this, I thought plate tectonics was just a silly “theory” like “evolution” and “opposable thumbs”.

This is also a big reason there is so much geothermal activity in Iceland – the opposable thumb bit.