Kata Farm
Skara Municipality, Sweden
Kata Farm (Swedish: Kata Gård) is the remains of a large Viking-age farming estate, located in Varnhem, Västra Götaland. The ruins include a crypt dated to the late 10th century A.D., which could make it the oldest Christian church in Sweden.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).