Þingvellir National Park | Golden Circle: Platinum Tour | Hidden Iceland | Photo by EJS Creative. Thingvellir National Park. Posted on May 15, 2018October 27, 2022 GOLDEN CIRCLE:<br>PLATINUM TOUR 800 × 533 Þingvellir National Park | Golden Circle: Platinum Tour | Hidden Iceland | Photo by EJS Creative. Thingvellir National Park. Þingvellir National Park | Golden Circle: Platinum Tour | Hidden Iceland | Photo by EJS Creative. Thingvellir National Park.