Estonia

Medieval Gothic church originally built in the 12th century, once serving as the tallest building in the world during the 16th century.

15th-century artillery tower and defensive fortification that now serves as a museum documenting the military history and subterranean tunnels of the city.

Medieval fortification system featuring well-preserved stone walls and defensive towers, originally constructed in the 13th century to protect the city's historic center.

Museum housed in a medieval tower and a historic seaplane hangar, documenting the maritime history of the region through extensive naval artifacts and interactive exhibits.

Gothic town hall completed in 1404, serving as the oldest surviving town hall in the Baltic region and a symbol of the city's medieval heritage.

Medieval castle complex featuring a pink Baroque palace facade and the Pikk Hermann tower, serving as the seat of the Parliament of Estonia.

Orthodox cathedral built in the late 19th century featuring onion domes and elaborate mosaics, reflecting the architectural style of the Russian Empire.

Hotel and museum located in a Soviet-era building that served as the headquarters for the KGB, featuring exhibits on surveillance and espionage activities.

Orthodox convent established in the 19th century, featuring a distinctive architectural style and serving as a significant center for religious life in the region.

17th-century Baroque town hall built for the Swedish administration, featuring a distinctive tower and serving as a primary example of the city's historical architecture.