The Borgholm Castle built 1669-1681 for Queen Hedvig Eleonora, and designed by Nicodemus Tessin, senior. Located in the vincinity is also Solliden Castle, summer home to the royal family.
The Agricultural Landscape of southern Öland has been entered as a site of the UNESCO World heritage program. Features of this are the many windmills left standing and the special geological landscape called Alvar.