Reinhard è famoso per le sue scoperte sulle mummieInca, tra cui la mummia Juanita e i congelati sacrifici sulle vette delle Ande in Perù e in Argentina. Esplorò le sacre valli dell'Himalaya ed studiò l'archeologia subacquea in alcuni dei laghi più alti del mondo. Ha spiegato il mistero delle Linee di Nazca, i giganteschi disegni del deserto, i siti cerimoniali preispanici costruiti sulle cime delle Ande e gli antichi centri cerimoniali di Machu Picchu, Chavin e Tiahuanaco.
Opere
Inca Rituals and Sacred Mountains: A Study of the World's Highest Archaeological Sites (with Constanza Ceruti), University of California. Los Angeles (2010) ISBN 978-1931745765
Machu Picchu: Exploring an Ancient Sacred Center, University of California, Los Angeles (2007) ISBN 978-1931745444
The Ice Maiden: Inca Mummies, Mountain Gods, and Sacred Sites in the Andes, National Geographic Society, Washington, D.C. (2005) ISBN 978-1-4262-0176-9
Machu Picchu: The Sacred Center, Instituto Machu Pichu, Lima (2002) ISBN 9972966402
Investigaciones arqueológicas en el Volcán Llullaillaco: Complejo ceremonial incaico de alta montaña (with Constanza Ceruti), Universidad Católica, Salta (2000) ISBN 950-623-005-6
Discovering the Inca Ice Maiden. National Geographic Society, Washington, D.C. (1998) ISBN 0-7922-7142-4
Exploraciones Arqueológicas Subacuáticas en el Lago Titikaka, (with Carlos Ponce et al.) Editorial La Palabra, La Paz (1992)
The Nazca Lines: A New Perspective on their Origin and Meaning. Editorial Los Pinos, Lima (1988, 4th ed.) ISBN 84-89291-17-9
Las Líneas de Nazca: Un Nuevo Enfoque sobre su Origen y Significado, Editorial Los Pinos, Lima (1987) ISBN 84-89291-18-7
Nepal Cross-Cultural Trainers Manual (with Underwood and Shrestha), New Educational Research Associates, Kathmandu (1978)
Inca Mummies on Andean Peaks. In The Modern Explorers, Hanbury-Tenison, R. and Twigger, R. (eds.), Thames & Hudson, London (2013)
Sacred Featherwork of the Inca. In Peruvian Featherworks: Art of the Precolumbian Era, King, H. (ed.), the Metropolitan Museum of Art, New York (2012)
Las Montañas Sagradas y las Culturas Preincaicas de los Andes. In América: Tierras de Montañas y Volcanes. Huellas de la Arqueología. Chávez, M., Iwaniszewski, S., and Cabrera, R. (eds.), Instituto Nacional de Antropología y Historia (INAH), México, D.F. (2012)
Inca Mummies: Child Sacrifice on Andean Peaks. In Discovery: Unearthing the New Treasures of Archaeology, Fagan, B. (ed.), Thames & Hudson, London (2007)
Cloud Diving. In They Lived to Tell the Tale: True Stories of Modern Adventure from the Legendary Explorers Club. Russell, J. (ed.), Lyons Press, New York (2007)
Into the Hidden Crater—An Andean Adventure. Explorers Journal (2003)
A High Altitude Archaeological Survey in Northern Chile. Revista Chungara (2002)
Sacred Landscape: The Prehistoric Cultures of the Andes. In Extreme Landscape, MacDonald, B. (ed.), National Geographic Society (2002)
Coropuna: Templo y Montaña de los Incas. Revista del Centro de Investigaciones Arqueológicas de Alta Montaña (2001)
Frozen in Time. National Geographic 196 (5) (1999)
New Inca Mummies. National Geographic 194 (I) (1998)
The Temple of Blindness: An Investigation of the Inca Shrine of Aconcagua, Andean Past (1998)
Llullaillaco: Investigación del Yacimiento Arqueológico más Alto del Mundo, Anales de Arqueología y Etnología (1997)
Sharp Eyes of Science Probe the Mummies of Peru. National Geographic (1997)
Peru’s Ice Maidens. National Geographic (1996)
House of the Sun: The Inca Temple of Vilcanota. Latin American Antiquity (1995)
Llullaillaco: An Investigation of the World's Highest Archaeological Site. Latin American Indian Languages Journal (1993)
Tiahuanaco, Centro Sagrado de los Andes, In Guía Cultural y Turística de Bolivia. Fundación Cultural, La Paz (1992)
Underwater Archaeological Research in Lake Titicaca, Bolivia. In Ancient America:Contributions to New World Archaeology, Saunders, N. (ed.), Oxbow Books, Oxford (1992)
An Archaeological Investigation of Inca Ceremonial Platforms on the Volcano Copiapo, Central Chile, In Ancient America:Contributions to New World Archaeology, Saunders, N. (ed.), Oxbow Books, Oxford (1992)
Sacred Peaks of the Andes. National Geographic (1992)
Interpreting the Nazca Lines. In The Ancient Americas: Art From Sacred Landscapes, Townsend, R. (ed.), The Art Institute of Chicago, Chicago.
Investigación Arqueológica de las Plataformas Inca Ceremoniales en los Volcanes de Copiapo y Jotabeche (Región de Atacama). Revista Contribución Arqueológica (1991)
Tiwanaku: Ensayo sobre su cosmovisión. Revista Pumapunku (1991)
Tiahuanaco, Sacred Center of the Andes. In The Cultural Guide of Bolivia, McFarren, P. (ed.), Fundación Cultural Quipus, La Paz (1990)
Heights of Interest. South American Explorer (1990)
Informe sobre una sección del camino Inca y las ruinas en la cresta que baja del nevado de Tucarhuay. Revista Sacsahuaman (1990)
Mysteries of Lake Titicaca: Archaeology Beneath the Waves. In The Cultural Guide of Bolivia, McFarren, P. (ed.), Fundación Cultural Quipus, La Paz (1990)
The Nazca Lines, Water and Mountains: An Ethno-archaeological Study. In Recent Studies in Pre-Columbian Archaeology, N. Saunders and O. de Montmollin (eds.), British Archaeological Reports, Oxford
Las Montañas Sagradas: Un Estudio Etnoarqueológico de Ruinas en las Altas Cumbres Andinas. Cuadernos de Historia (1983)
The Chonos of the Chilean Archipelago. Bulletin of the International Committee on Urgent Anthropological and Ethnological Research (1981)
Khembalung: The Hidden Valley. Kailash, A Journal of Himalayan Studies (1978)
Shamanism among the Raji of Southwest Nepal. In Spirit Possession in the Nepal Himalayas, Hitchcock, J. & Jones, R. (eds.), Vikas Publishing House, New Delhi (1976)
Shamanism and Spirit Possession: The Definition Problem. In Spirit Possession in the Nepal Himalayas, Hitchcock, J. & Jones, R. (eds.), Vikas Publishing House, New Delhi (1976)
The Ban Rajas: A Vanishing Tribe. Contributions to Nepalese Studies (1976)
The Raute: Notes on a Nomadic Hunting and Gathering Tribe of Nepal. Kailash, A Journal of Himalayan Studies (1974)
Underwater Archaeology in Austria: A Preliminary Report. International Journal of Nautical Archaeology and Underwater Exploration (1974)
Preliminary Report on Wood Working in Nepal. Anzeiger der philosophische-historischen Klasse der Osterreichischen Akadamie der Wissenschaften (1969)
Preliminary Report on Pottery Making in the Kathmandu Valley, Nepal. Anzeiger der philosophische-historischen Klasse der Osterreichischen Akadamie der Wissenschaften (1969)
Aperçu sur les Kusunda: peuple chasseur du Népal, Objets et Mondes (1969)
The Kusunda: Ethnographic Notes on a Hunting Tribe of Nepal. Bulletin of the International Committee on Urgent Anthropological and Ethnological Research (1968)
In collaborazione
Archaeological, radiological, and biological evidence offer insight into Inca child sacrifice. Proceedings of the National Academy of Sciences (co-authored with A. Wilson, et al.) (2013)
Síntesis de Estudios Interdisciplinarios en las Momias Congeladas del Volcán Llullaillaco (co-authored with Constanza Ceruti, Previgliano, C., González J., & Arias F.). In XV Congreso Nacional de Arqueología Argentina, Austral, A. and Tamagnini, M. (eds.) (2009)
Stable isotope and DNA evidence for ritual sequences in Inca child sacrifice (co-authored with Andrew Wilson, et al.). Proceedings of the National Academy of Sciences (2007)
Sacred Mountains, Ceremonial Sites, and Human Sacrifice Among the Inca (co-authored with Constanza Ceruti). Archaeoastronomy (2005)
A Compositional Analysis of Pottery Vessels Associated with the Inca Ritual of Capacocha (co-authored with Tamara Bray, Minc, L., Ceruti, C., Perea, R. & Chávez, J.A.). Journal of Anthropological Archaeology (2005)
Rescue Archaeology of the Inca Mummy on Mount Quehuar, Argentina (co-authored with Constanza Ceruti). In Proceedings of the Fifth World Mummy Congress, Torino (2005).
Paleoradiologic Evaluation of the Llullaillaco Mummies (co-authored with Carlos Previgliano, et al.). American Journal of Roentgenology (2003)
Expedición Arqueológica al Altiplano de Tarapacá y sus Cumbres (co-authored with Julio Sanhueza). Revista de Corporación para el Desarrollo de la Ciencia (1982).
Expedición Arqueológica al Volcán Licancabur (co-authored with Ana Maria Baron). Revista de Corporación para el Desarrollo de la Ciencia (1981)
Ascensión al Volcán Licancabur y Otros Nevados (co-authored with George Serracino and Ana Maria Barón). Revista del Centro de Investigaciones Arqueológicos de Alta Montaña (1980)
