Built in 1909, the white wooden house is said to be the most historical and beautiful buildings in the city. It marked the venue in which the end of the Cold War was effectively official, hence the historical significance. now, it's owned by the city officials and is used for official receptions and meetings. It's interior is not open to the public, but you can explore the house from outside, peeking through the windows and using the explanatory panes outside as a history guide. It is located at Borgartún, 105 Reykjavík and is overlooking the waterfront.