Caussols Observatory, France. Photo by Vincent Fournier
The Royal Republic of Ladonia, a micronation on the shores of the Kullaberg peninsula in Southern Sweden
Buckminster Fuller Dymaxion House
Biomuseo in Panama City, designed by Frank Gehry
Kruševo Makedonium, monument to 1903 uprising against the Ottoman Empire, built in 1970s, located in Macedonia. Photo by Wikipedia user Rašo