Munterley, and the Auber, which dominate the surrounding landscape, looming 100 meters above the valley. Buildings Main town Gerolstein castle (Löwenburg) ruins, Bergstraße, monumental zone, castle founded in the earlier half of the 14th century by Gerhard VI of Blankenburg and destroyed in 1691, the defensive wall in the outer bailey preserved, remnants of living quarters preserved in the main stronghold. Evangelical Church of the Redeemer, Sarresdorfer Straße 17, cruciform central-plan building after Italo-Byzantine models, 1911–1913, complex with treed lot and fence dating from the time of building, rectory, Sarresdorfer Straße 15 a, former parish house (?), Sarresdorfer Straße 19 a, Classicist hipped-roof building. Saint Anne’s Catholic Parish Church (Pfarrkirche St. Anna), aisleless church from 1811, expanded in 1884 and 1948, complex with rectory, possibly from about 1800. Town fortifications, Am Stadtturm 1, Hauptstraße 41, 75, Mühlenstraße 19 (monumental zone), section of 14th-century town wall between a jutting half-round tower (integrated into Hauptstraße 75) and a great tower (Am Stadtturm 1), a further section of town wall with gate remnants (Mühlenstraße 19) and a pillar-shaped town wall remnant (Hauptstraße 41). Bahnhofstraße 4 – Gothic Revival railway station, 1870, expanded after the Second World War. Bahnhofstraße 17 – stately house, apparently from 1902. Brunnenstraße 11, 13 – factory building, façade with colourful wall tiles and glass bricks, date unknown. Graf-Karl-Ferdinand-Straße – so-called Burgkreuz ("Castle Cross"), a niche cross possibly from the 16th or 17th century. Near Hauptstraße 10 – Heiligenhäuschen (a small, shrine-like structure consecrated to a saint or saints), Baroque, sandstone, from 1771 and 1784. Near Hauptstraße 42 – a Descent from the Cross group, sandstone, apparently from 1838. Hauptstraße 59, 61 – houses, one at 59 from 1903 but essentially older, Late Gothic Revival entrance, one at 61 from 1747 and 1822. Hauptstraße 76 – house used as dwelling and inn with half-hipped gables, date unclear. Heiligensteinstraße 5/7 – pair of semi-detached houses with half-hipped gables, lava stone façade, about 1900. Kyllweg – warriors’ memorial, 1914–1918. Lindenstraße (no number) – former Oos wireworks, founded in 1882, no. 43a director's villa (?), plaster building with corner tower. Lindenstraße 6 – former railway works building, representative quarry stone building, apparently from 1890. Mühlenstraße 19 – timber-frame house, partly solid. Sarresdorfer Straße/Am Auberg – Jewish graveyard (monumental zone), on the area of the general cemetery, opened in 1892, about 15 gravestones, oldest from 1896. Sarresdorfer Straße – former Roman villa of Sarabodis,