Interior with Penguin Trash Cans, Dau Go Cave, Halong Bay, Vietnam, 2009 4×5 Color Negative – Archival Lightjet Print on Dibond 50×60 in Red Arches, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 65.5×50 in Number Three Card, Cave of Diktaion Andron, Crete, Greece, 2022 4×5 Color Negative – Archival Lightjet Print on Dibond 63×50 in Jesse James’ Hideout No. 1, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 63×50 in Elevator Room, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 67.5×50 in Light Source, Timpanogos National Cave, American Fork, Utah, USA, 2021 4×5 Color Negative – 4×5 Color Negative – Archival Lightjet Print on Dibond 63×50 in Employee Entrance, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Air Lock, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Disco Ball, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 70×50 in Red Passage, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Display No. 2, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Chapel Benches, Niagara Cave, Harmony, Minnesota, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 66×50 in Medic Box, Glenwood Caverns, Glenwood Springs, Colorado, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 50×58 in Phone No. 1, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 64×50 in Cave Pool, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 50×56 in Tee Shirt Stand No. 1, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Overlook, Borra Cave, Andhra Pradesh, India, 2017 4×5 Color Negative – Archival Lightjet Print on Dibond 65.5×50 in Guardrail, Timpanogos National Cave, American Fork, Utah, USA, 2021 4×5 Color Negative – Archival Lightjet Print on Dibond 66.5×50 in Security Camera, Cave of Diktaion Andron, Crete, Greece, 2022 4×5 Color Negative – Archival Lightjet Print on Dibond 64×50 in Narrow Passage, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 72×50 in Doorway, Wonder World Cave, San Marcos, Texas, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 66.5×50 in Rainbow Lake, Shenandoah Caverns, Quicksburg, Virginia, USA, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 63.5×50 in Path No. 1, Howe Caverns, Howes Cave, New York, USA, 2014 4×5 Color Negative – Archival Lightjet Print on Dibond 71×50 in Painted Walls, No. 1, Batu Caves, Gombak, Selangor, Malaysia, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 65.5×50 in Phone, Howe Caverns, Howes Cave, New York, USA, 2014 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Iron Door No. 1, Glenwood Caverns, Glenwood Springs, Colorado, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Handrail, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 68.5×50 in Gate, Wonder World Cave, San Marcos, Texas, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Silver Door, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 70×50 in Fallout Shelter, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Display No. 3, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 74×50 in Display No. 1, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 71×50 in Natural Hallway, Timpanogos National Cave, American Fork, Utah, USA, 2021 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Chapel, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 70.5×50 in Light Source, Borra Cave, Andhra Pradesh, India, 2017 4×5 Color Negative – Archival Lightjet Print on Dibond 66.5×50 in Cave Pool, Secret Caverns, Howes Cave, New York, USA, 2018 4×5 Color Negative – Archival Lightjet Print on Dibond 50×61.5 in Barometer, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Interior with Penguin Trash Cans, Dau Go Cave, Halong Bay, Vietnam, 2009 4×5 Color Negative – Archival Lightjet Print on Dibond 50×60 in Red Arches, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 65.5×50 in Number Three Card, Cave of Diktaion Andron, Crete, Greece, 2022 4×5 Color Negative – Archival Lightjet Print on Dibond 63×50 in Jesse James’ Hideout No. 1, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 63×50 in Elevator Room, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 67.5×50 in Light Source, Timpanogos National Cave, American Fork, Utah, USA, 2021 4×5 Color Negative – 4×5 Color Negative – Archival Lightjet Print on Dibond 63×50 in Employee Entrance, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Air Lock, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Disco Ball, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 70×50 in Red Passage, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Display No. 2, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Chapel Benches, Niagara Cave, Harmony, Minnesota, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 66×50 in Medic Box, Glenwood Caverns, Glenwood Springs, Colorado, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 50×58 in Phone No. 1, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 64×50 in Cave Pool, Meramec Caverns, Sullivan, Missouri, USA, 2019 4×5 Color Negative – Archival Lightjet Print on Dibond 50×56 in Tee Shirt Stand No. 1, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Overlook, Borra Cave, Andhra Pradesh, India, 2017 4×5 Color Negative – Archival Lightjet Print on Dibond 65.5×50 in Guardrail, Timpanogos National Cave, American Fork, Utah, USA, 2021 4×5 Color Negative – Archival Lightjet Print on Dibond 66.5×50 in Security Camera, Cave of Diktaion Andron, Crete, Greece, 2022 4×5 Color Negative – Archival Lightjet Print on Dibond 64×50 in Narrow Passage, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 72×50 in Doorway, Wonder World Cave, San Marcos, Texas, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 66.5×50 in Rainbow Lake, Shenandoah Caverns, Quicksburg, Virginia, USA, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 63.5×50 in Path No. 1, Howe Caverns, Howes Cave, New York, USA, 2014 4×5 Color Negative – Archival Lightjet Print on Dibond 71×50 in Painted Walls, No. 1, Batu Caves, Gombak, Selangor, Malaysia, 2010 4×5 Color Negative – Archival Lightjet Print on Dibond 65.5×50 in Phone, Howe Caverns, Howes Cave, New York, USA, 2014 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Iron Door No. 1, Glenwood Caverns, Glenwood Springs, Colorado, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Handrail, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 68.5×50 in Gate, Wonder World Cave, San Marcos, Texas, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Silver Door, Carlsbad Caverns, Carlsbad, New Mexico, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 70×50 in Fallout Shelter, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in Display No. 3, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 74×50 in Display No. 1, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 71×50 in Natural Hallway, Timpanogos National Cave, American Fork, Utah, USA, 2021 4×5 Color Negative – Archival Lightjet Print on Dibond 60×50 in Chapel, Crystal Lake Cave, Dubuque, Iowa, USA, 2020 4×5 Color Negative – Archival Lightjet Print on Dibond 70.5×50 in Light Source, Borra Cave, Andhra Pradesh, India, 2017 4×5 Color Negative – Archival Lightjet Print on Dibond 66.5×50 in Cave Pool, Secret Caverns, Howes Cave, New York, USA, 2018 4×5 Color Negative – Archival Lightjet Print on Dibond 50×61.5 in Barometer, Colossal Cave, Vail, Arizona, USA, 2013 4×5 Color Negative – Archival Lightjet Print on Dibond 64.5×50 in