rwgabbro1: A Miracle in Stone, Brick, and Ceramics, Part 4: The İznik-Istanbul Connection, Sultan Ahmed Mosque ("Blue Mosque"), Istanbul, Turkey (AD 1616)
rwgabbro1: Geology of the Architecturally Sublime, Part 1: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 2: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 3: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 4: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 5: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 6: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 7: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 8: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 9: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 10: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 11: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Geology of the Architecturally Sublime, Part 12: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
rwgabbro1: Imperial Porphyry Sarcophagi, Part 1: Atrium of Hagia Irene Church, Istanbul, Turkey
rwgabbro1: Geology of the Hagia Irene Church, Part 1: A Glimpse of the Exterior, Istanbul, Turkey (AD 548; subsequent repairs and additions)
rwgabbro1: Geology of the Hagia Irene Church, Part 2: Naked Space Filled with Golden Light, Istanbul, Turkey (AD 548; subsequent repairs and additions)
rwgabbro1: Geology of the Hagia Irene Church, Part 3: A Poster Child of Iconoclasm, Istanbul, Turkey (AD 548; subsequent repairs and additions)
rwgabbro1: Geology of the Hagia Irene Church, Part 4: A Blend of Byzantine and Ottoman Elements, Istanbul, Turkey (AD 548; subsequent repairs and additions)
rwgabbro1: Geology of the Hagia Irene Church, Part 5: A Look at the Southern Gallery and Upper Archwork, Istanbul, Turkey (AD 548; subsequent repairs and additions)
rwgabbro1: Geology of the Hagia Irene Church, Part 6: A Pier and a Pendentive, Istanbul, Turkey (AD 548; subsequent repairs and additions)
rwgabbro1: Geology of the Hagia Irene Church, Part 7: Looking Up at the Main Dome, Istanbul, Turkey (AD 548; subsequent repairs and additions)
rwgabbro1: A Miracle in Stone, Brick, and Ceramics, Part 2: Detail of the Interior, Sultan Ahmed Mosque ("Blue Mosque"), Istanbul, Turkey (AD 1616)
rwgabbro1: A Miracle in Stone, Brick, and Ceramics, Part 3: Elephantine Architecture, Sultan Ahmed Mosque ("Blue Mosque"), Istanbul, Turkey (AD 1616)
rwgabbro1: Architectural Geology of Dougga, Tunisia, Part 2: The Capitol (2nd Century AD)
rwgabbro1: Geobrickology, Part 1: Old St. Patrick's Catholic Church, Near West Side, Chicago, Illinois, USA (1856)
rwgabbro1: Geology of Fieldstone & Cobblestone Buildings, Part 1: Epworth United Methodist Church, Edgewater Neighborhood, Chicago, Illinois, USA (1891; addition 1930)
rwgabbro1: The Glory of Regional Silurian Dolostone, Part 10: Second Presbyterian Church, South Loop Neighborhood/Prairie Avenue District, Chicago, Illinois, USA (1874; bell tower 1884)
rwgabbro1: The Glory of Regional Silurian Dolostone, Part 11: The Science of Fuligology at the Second Presbyterian Church, South Loop Neighborhood/Prairie Avenue District, Chicago, Illinois, USA (1874; bell tower 1884)
rwgabbro1: The Glory of Regional Silurian Dolostone, Part 12: More on the Sublime Sciences of Fuligology and Bitumenology at the Second Presbyterian Church, South Loop Neighborhood/Prairie Avenue District, Chicago, Illinois, USA (1874; bell tower 1884)
rwgabbro1: Concretology, Part 3: The Baha'i House of Worship, Wilmette, IllinoIs, USA (1953)