Wiki'd Buildings On Stamps

USA SC#838 1938 3c

Oman
Omani Architecture in Tanzania
October 9, 2022
The stamp features House of Wonders located in Stone Town, Zanzibar. The late 10th century building served as an official ceremonial hall and is a museum today.

Republic of Korea
Repatriated Cultural Heritage
January 24, 2025
Imperial Korean Legation is a historic house located in Washington, D.C. The late 19th century, Victorian style building was renovated and opened in 2018 as the Old Korean Legation Museum.

Cech Republic
Wallachian Open Air Museum
February 12, 2025
Wallachian Open Air Museum in the Zlín Region is devoted to preserving and displaying Moravian Wallachian culture and traditions. The museum consists of three independent parts: the Little Wooden Town, the Wallachian Village and the Water Mill Valley.

COLOMBIA 1959
The Sanctuary of Our Lady of the Holy Rosary of Las Lajas is a Catholic minor basilica located within the canyon of the Guáitara River in Ipiales, Nariño Department, Colombia.
The current church was built in a neo-gothic architectural style between 1916 and 1949.
The name Laja is Spanish for a flagstone, and comes from the name of a type of flat sedimentary rock

Found a Wiki'd building. Palomar Mountain Observatory
Scott #966

https://sites.astro.caltech.edu/palomar/about/

FINLAND 1978

Paimio Sanatorium (Finnish: Paimion parantola) is a former tuberculosis sanatorium in Paimio, Southwest Finland, designed by Finnish architect Alvar Aalto (1898-1976).
Aalto received the design commission having won the architectural competition for the project held in 1929.
The building was completed in 1933, and soon after received critical acclaim both in Finland and abroad.