Röntgenstraße 6 – villa with hipped mansard roof, 1926/1927, architect Karl Heep Röntgenstraße 16 – house with gable or mansard roof, barge-rafter gable, 1907/1908, architect Gustav Ziemer, Düsseldorf Röntgenstraße 20, Gustav-Pfarrius-Straße 30 – pair of semi-detached houses; building with hip roof on brick pedestal, 1935, architect Karl Schneider Röntgenstraße 22/24 – pair of semi-detached houses; building with hip roof with slate-clad corner oriels, 1927/1928, architect Richard Starig Röntgenstraße 25, 27, 29, 31 – group of buildings made up of four small two-floor single-family houses, buildings with hip roofs with gable risalti, 1925/1926, architect Hugo Völker Röntgenstraße 33 – villalike house, cube-shaped building with hip roof, 1926/1927, architect Conrad Schneider; characterises street's appearance Roonstraße 3 – villa with mansardlike stepped hip roof, 1916/1917, architect Philipp Hassinger Rosengarten 2 – Hauptschule; Gründerzeit brick building with hip roofs, 1898 and years following, architect Friedrich Hartmann Roseninsel (monumental zone) – spa-related greenspace on the Nahe's bank along Priegerpromenade; pavilion above the disused Oranienquelle (spring), 1916; so-called Milchhäuschen ("Little Milk House"), crenellated turret, 19th century; Bismarck Monument, Hugo Cauer, 1897 (moved from the Kornmarkt after 1945); so-called "Durstgruppe" ("Thirst Group"), Ludwig Cauer, 1892 Roßstraße 6 – former "Maison Bold"; shophouse, Classicist plastered building, about 1850 Roßstraße 25 – Gründerzeit corner house, building with hip roof and knee wall, Renaissance Revival motifs, 1881/1882, architect J. Schaeffer; cellar about 1600 Roßstraße 33 – former inn; three-floor plastered building with imitation-ancient ornament, about 1860 Roßstraße 35 – three-floor Classicistically structured house, about 1860 Rüdesheimer Straße 11 – villa with knee wall, country house style, soon after 1900 Rüdesheimer Straße 21 – sophisticatedly structured house, about 1850 Rüdesheimer Straße 38 – house, Classicistically structured brick building, early 1870s Rüdesheimer Straße 46, 48 and 50 – three-part corner shophouse, Historicist brick building with mansard roof, 1906/1907, architect Fritz Wagner Rüdesheimer Straße 52 – corner shophouse, Historicist brick building with mansard roof, 1907, architect Joseph Reuther Rüdesheimer Straße 58 – Gründerzeit corner house, brick building, Renaissance Revival motifs, 1891/1892, architect Karl Keller Rüdesheimer Straße 60–68 (even numbers) – Landes-Lehr- and Versuchsanstalt für Weinbau, Gartenbau and Landwirtschaft ("State Teaching and Experimental Institute for Winegrowing, Gardening and Agriculture"); no. 68 brick building with hipped mansard roof, Renaissance Revival motifs, 1900, in the garden warriors' memorial 1914/1918; wine cellar building from the same time and in the same style; packing and shipping house, about 1920; no. 62 clinker brick building, 1896; no. 60 Baroquified