- Black & white
- Snow!
- Aliens?
- Double-headed eagle
- Conglomerate
- Sulphur
- Gold
- Pyrite
- Hematite
- Calcite
- Pyromorphite
- Basalt
- Volcanic bomb
- Gibeon meteorite
- Australasian tektites
- Sea Urchin Fossil
- Spiral armring
- Flamingo
- Paper kite
- Orang-Utan
- Stephansdom
- Remembering the church fire
- Stephansdom
- Stephansdom
- Ankeruhr
- Biblioteca Malatestiana
- Biblioteca Malatestiana, Cesena
- Biblioteca Malatestiana, Cesena
- Bibllioteca Malatestiana, Cesena
- Neume initial
- Jabir ibn Aflah (Geber) - Correction of the Almagest
- Etymologiae by Isidore of Seville
- On the road
- Andy Warhol Autoportrait by Blub
- Sandro Boticelli - Portrait of a Youth with a Medal by Blub
- Pilgrimage by Giovanni del Leone
- Polyptych by Piero della Francesca
- Sansepolcro Cathedral
- Sansepolcro Cathedral
- Orvieto Cathedral
- Zebra church: basalt and travertine stones
- Facade
- Interior of Orvieto cathedral
- Interior of Orvieto cathedral
- Orvieto Cathedral
- Orvieto Cathedral
- Etruscan well in Perugia
- Crucifix
- Predella panel St Peter Martyr
- Madonna della Pergolata
- St Antony of Padua Polyptych
- Triptych of Justice
- Christ in the Coffin
- View from Piazza Grande in Gubbio
- Roman Theatre, Gubbio
- Gubbio at night
- Madonna with Child and a donator
- Santa Clara
- Madonna with Child
- Madonna with Child
- Portrait of a Lady by Raphael
- Napoleon's villa
- Demidoff Gallery in Napoleon's villa
- Chiessi
- Dilbar and setting sun
- Portoferraio
- Nonno pino
- Sunset
- Portoferraio