Uldeven's castle lies in Lielvārde, Ogre district. It is made according to the archaeological materials and it reflect old Latvians's wooden castles in the 12th century. It is the version about the residence of chief of Lielvārde territory - Uldiven. There you can see dwelling houses with small chimney-less logs, potteries, blacksmiths' workshops. There are restorations of clothes, and there you can get wide information about the life in Latvia in Late Iron Age.