Mammoth Hot Springs, Yellowstone

Photo of collection object Baths of Caracalla, Rome

Photo of collection object Porta San Paulo, Rome

Photo of collection object Old Church, Tours, France

Photo of collection object Tower of the Cathedral of Utrecht, Holland

Photo of collection object Cathedral of Notre Dame, Paris

Photo of collection object A Market Day (Church of St. Jacques, Ghent, Belgium)

Photo of collection object Tower at Enkhuisen, Holland

Photo of collection object Towers from the City Wall, Nuremberg

Photo of collection object Courtyard, Capucine Monastery, Amalfi

Photo of collection object San Giorgio Maggiore, Venice