Historic Jigsaw Puzzles

Facade of the Indian Museum in Central Kolkata against blue skies
Winter evening in Japanese historical village Shirakawa-go
Ancient buildings including a bell tower in the walled town of Volterra
Ruins of the ancient amphitheater Colosseum in the center of Rome at night
View of the Florence Cathedral and other city buildings against the mountains
Fascinating and rich architecture of the historic Vatican city in the evening