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rwgabbro1: Obelisk of Theodosius, Part 1: The Emperor and His Court at the Hippodrome: Detail of the Basal Relief in Proconnesian Marble, Istanbul, Turkey (AD 390)
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rwgabbro1: Obelisk of Theodosius, Part 2: Gazing Up at All That Granite, Istanbul, Turkey
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rwgabbro1: Obelisk of Theodosius, Part 3: The Centuries Take Their Toll, Istanbul, Turkey
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rwgabbro1: Geology of the Architecturally Sublime, Part 1: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 2: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 3: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 4: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 5: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 6: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 7: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 8: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 9: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 10: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 11: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Architecturally Sublime, Part 12: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Geology of the Aqueduct of Valens, Part 1: Istanbul, Turkey (AD 368)
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rwgabbro1: Geology of the Aqueduct of Valens, Part 2: Istanbul, Turkey (AD 368)
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rwgabbro1: Geology of the Aqueduct of Valens, Part 3: Istanbul, Turkey (AD 368)
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rwgabbro1: Geology of the Aqueduct of Valens, Part 4: Istanbul, Turkey (AD 368)
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rwgabbro1: Geology of the Aqueduct of Valens, Part 5: Istanbul, Turkey (AD 368)
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rwgabbro1: Imperial Porphyry Sarcophagi, Part 1: Atrium of Hagia Irene Church, Istanbul, Turkey
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rwgabbro1: Imperial Porphyry Sarcophagi, Part 2: On the Grounds of the Archaeological Museums, Istanbul, Turkey
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rwgabbro1: Geology of the Hagia Irene Church, Part 1: A Glimpse of the Exterior, Istanbul, Turkey (AD 548; subsequent repairs and additions)
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rwgabbro1: Geology of the Hagia Irene Church, Part 2: Naked Space Filled with Golden Light, Istanbul, Turkey (AD 548; subsequent repairs and additions)
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rwgabbro1: Geology of the Hagia Irene Church, Part 3: A Poster Child of Iconoclasm, Istanbul, Turkey (AD 548; subsequent repairs and additions)
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rwgabbro1: Geology of the Hagia Irene Church, Part 4: A Blend of Byzantine and Ottoman Elements, Istanbul, Turkey (AD 548; subsequent repairs and additions)
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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)
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rwgabbro1: Geology of the Hagia Irene Church, Part 6: A Pier and a Pendentive, Istanbul, Turkey (AD 548; subsequent repairs and additions)
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rwgabbro1: Geology of the Hagia Irene Church, Part 7: Looking Up at the Main Dome, Istanbul, Turkey (AD 548; subsequent repairs and additions)
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rwgabbro1: A Miracle in Stone, Brick, and Ceramics, Part 1: The Sultan Ahmed Mosque ("Blue Mosque"), Istanbul, Turkey (AD 1616)