The National Romantic style was a Nordic architectural style that was part of the National Romantic movement during the late 19th and early 20th centuries. It is often considered to be a form of Art Nouveau.
Tampere Cathedral, an example of National Romantic architecture in Finland.
Stockholm City Hall
Masthugg Church
The Finnish National Theatre
Russian Revival architecture
The Russian Revival style is a number of different movements within Russian architecture that arose in the second quarter of the 19th century and was an eclectic melding of Byzantine elements and pre-Petrine architecture.
Image: Russia Moscow Cathedral of Christ the Saviour 6
Image: Moscow Bolshaya Yakimanka 43 X10
Image: Biological Museus named after Timiryazev
Church of the Savior on Blood in Central Saint Petersburg