Tjörnin Pond
This natural pond by the City Hall is popular with ice skaters during the winter and attracts birds (and bird-lovers) year-round. A portion of the pond is kept warm by a flow of geothermal water, creating a year-round pool for the city's swan, goose, and duck population. Visitors are discouraged from feeding the birds during nesting season, as it attracts seagulls who like to feast on young waterfowl. Tjörnin is surrounded on its southern end by Hljómskálagarðurinn, an expansive public park that features a sculpture garden, a geothermal footbath, and a children's park.