Geysir which is located about 115 KMs from Reykjavik, with nearby sights including Gullfoss falls about 10 minutes drive and  Pingvellir National Park about 40 minutes away. The Geysir erupts about 15 to 20 meters in the air of boiling hot water. If you want to relax there is a great Hotel Geysir which offers a free indoor hot sprints hot tub with water from the Geysir which is a perfect way to end your day!