Below are portfolios with photos of buildings from the 19th century. Several collections include buildings from other centuries, but most or the most significant of listed structures date from the 19th century.
Manors of Estonia
76 Baltic German manors in Estonia from the 13th to early 20th centuries, most since the mid-18th century
Tiles of Lisbon
Azulejo façades or interiors of 33 buildings from 16th to 20th centuries; tiles of the National Azulejo Museum of Lisbon
Covered Passages of Paris
11 arcades from the 1st, 2nd and 9th arrondissements of Paris, dating from between 1798 and 1847
Covered Passages of Istanbul
11 arcades of İstiklal Avenue, dating from between 1840 and 1922
Greek Sites of Istanbul
55 Greek buildings: mostly churches, monasteries and schools, and mostly from the 18th and 19th centuries, some with history dating back to earlier periods
Armenian Sites of Istanbul
23 buildings, mostly churches, from between 1828-1962 (especially from the 1830s), some with history dating back to earlier periods
Jewish Sites of Istanbul
13 buildings, mostly synagogues, with history from the 15th to the 20th centuries
Levantine Churches & Mansions in Izmir
43 churches (Catholic and Protestant) and mansions, most in the districts of Konak, Bornova, Buca and Karşıyaka, from the 1830s to the 1920s
grande flânerie 