The Althing is one of the oldest and longest-running parliaments in the world. It was first convened in AD 930 on the Thingvellir.
Interestingly, this field marks where the North American and Eurasian continental plates are pulling away from each other. This means that the land has changed over time, and we no longer can identify where the first Lögberg — Law Rock — stood.
The continental rift actual gives opportunities for scuba diving: a freezing prospect that I didn’t take.