- 001Munson Blue, 1968Potomac, Maryland, USA
- 002Slow Dissolve, Raethro Blue, Header, 1968–1992Hannover, Germany
- 003Breathing Light, Key Lime, Raemar Pink White, Bullwinkle, 1969–2013Los Angeles, California, USA
- 004Stuck Red / Stuck Blue, 1970La Jolla, California, USA
- 005Raethro II Blue, 1971Los Angeles, California, USA
- 006Skyspace I / Lunette / Sky Window I, 1974Varese, Italy
- 007Wedgework 3, 1974Tilburg, Netherlands
- 008Acton, 1976Indianapolis, Indiana, USA
- 009Roden Crater, 1977–Painted Desert, near Flagstaff, Arizona, USA
- 010Pleiades, Danaë, Catso Red, 1983/1994Pittsburgh, Pennsylvania, USA
- 011Meeting, 1986Queens, New York, USA
- 012Second Meeting, 1989Brentwood, Los Angeles, USA
- 013Twilight Arch, 1991Frankfurt am Main, Germany
- 014Dawning, 1992Stockholm, Sweden
- 015Deuce Coop, 1992Barcelona, Spain
- 016Irish Sky Garden, 1992Skibbereen, Co. Cork, Ireland
- 017Side Look, 1992Munich, Germany
- 018Soft Cell, 1992Mito, Ibaraki, Japan
- 019Space That Sees, 1992Jerusalem, Israel
- 020Celestial Vault (Hemels Gewelf), 1996The Hague, Netherlands
- 021House of Light (Hikari no Yakata), 1997Tokamachi, Niigata, Japan
- 022Massed Light, 1997Leipzig, Germany
- 0236 m Skyspace, 1998Antwerp, Belgium
- 024Blue Blood, 1998Santa Fe, New Mexico, USA
- 025Backside of the Moon, 1999Naoshima (Honmura), Kagawa, Japan
- 026Blue Pesher, 1999Nashville, Tennessee, USA
- 027The Inner Way, 1999Munich, Germany
- 028The Light Inside, 1999Houston, Texas, USA
- 029Cat Cairn: The Kielder Skyspace, 2000Kielder, Northumberland, UK
- 030Knight Rise, 2001Scottsdale, Arizona, USA
- 031One Accord, 2001Houston, Texas, USA
- 032Milk Run III, 2002Aarhus, Denmark
- 033Milk Run Sky, 2002Kumamoto, Japan
- 034Plato's Eye, 2002Dallas area, Texas, USA
- 035Unseen Blue + Lunette + 7 other rooms, 2002Colomé, Salta, Argentina
- 036Boullée's Eye + Pella Passage, 2003/2005Brussels, Belgium
- 037Craiganour Skyspace, 2003Loch Rannoch, Perthshire, UK
- 038Light Reign, 2003Seattle, Washington, USA
- 039Light Shaft II, 2003Frankfurt am Main, Germany
- 040Light Transport, 2003Zug, Switzerland
- 041Night Light / Ship of State, 2003/2004Paris, France
- 042Sky Mass, 2003near Missoula, Montana, USA
- 043Tending, (Blue), 2003Dallas, Texas, USA
- 044Above Horizon, 2004Beverly Crest, Los Angeles, USA
- 045Blue Planet Sky, 2004Kanazawa, Japan
- 046Open Sky + Open Field + Afrum Pale Blue, 2004Naoshima, Kagawa, Japan
- 047Seldom Seen, 2004Houghton, Norfolk, UK
- 048The Other Horizon, 2004Vienna, Austria
- 049Hard Scrabble Sky (UIC Skyspace), 2005Chicago, Illinois, USA
- 050Piz Uter, 2005Zuoz, Engadin, Switzerland
- 051Plain Dress, 2005Midtown Manhattan, New York, USA
- 052Revised Outlook, 2005Santa Monica Canyon, Los Angeles, USA
- 053Second Wind, 2005Vejer de la Frontera, Cádiz, Spain
- 054Sky Pesher, 2005Minneapolis, Minnesota, USA
- 055Stone Sky, 2005Calistoga, Napa Valley, USA
- 056The Way Out, 2005Sonoma, California, USA
- 057Third Breath, 2005/2009Unna, Germany
- 058Three Gems, 2005San Francisco, California, USA
- 059Deer Shelter Skyspace, 2006West Bretton, Wakefield, UK
- 060Light Raiment, 2006London, UK
- 061Sky-Space (Blue Pearl), 2006Salzburg, Austria
- 062Dividing the Light, 2007Claremont, California, USA
- 063Four Eyes, 2007Arnsberg area, Germany
- 064Skygarden, 2007San Francisco, California, USA
- 065Light Raiment II, 2008Columbus, Ohio, USA
- 066Mohl Ip, 2008Phoenix, Arizona, USA
- 067Tall Glass works (The Kaloo, Seeing Double, Third Eye), 2008Miami Beach, Florida, USA
- 068Arrowhead, 2009Las Vegas, Nevada, USA
- 069Data in Strata, 2009Austin, Texas, USA
- 070Night Flight, 2009Friedrichshafen, Germany
- 071Straight Flush, 2009Toronto, Canada
- 072The Way of Color, 2009Bentonville, Arkansas, USA
- 073Within Without, 2010Canberra, Australia
- 074Above – Between – Below, 2011Bremen, Germany
- 075Amphitheater Ochil, 2011Yucatán, Mexico
- 076Joseph's Coat, 2011Sarasota, Florida, USA
- 077Outside, Insight, 2011Järna, Sweden
- 078Air Apparent, 2012Tempe, Arizona, USA
- 079Blue Burn, 2012Zürich, Switzerland
- 080Gathered Sky, 2012Beijing, China
- 081Twilight Epiphany, 2012Houston, Texas, USA
- 082Akhob, 2013Las Vegas, Nevada, USA
- 083Greet the Light, 2013Philadelphia, Pennsylvania, USA
- 084La Brea Sky, 2013Los Angeles, California, USA
- 085Raising Kayne, 2013Santa Monica, California, USA
- 086Tewlwolow Kernow, 2013Gulval, Cornwall, UK
- 087The Color Beneath + Double Vision (Ganzfeld), 2013Oslo, Norway
- 088The Color Inside, 2013Austin, Texas, USA
- 089Twilight Resplendence + Ganzfeld + Wedgework + Horizon Room, 2013Wonju, Gangwon, South Korea
- 090Amarna + Event Horizon + Unseen Seen + Weight of Darkness, 2015Hobart, Tasmania, Australia
- 091Dorotheenstadt Cemetery Chapel light installation, 2015Berlin, Germany
- 092Encounter, 2015Culiacán, Sinaloa, Mexico
- 093Elliptic, Ecliptic, 2016Le Muy, Var, France
- 094Hardanger Skyspace, 2016Øystese, Hardanger, Norway
- 095Skyspace (Voorlinden), 2016Wassenaar, Netherlands
- 096Skyspace Lech, 2018Lech am Arlberg, Vorarlberg, Austria
- 097Sky Plain, 2019Porto Heli, Peloponnese, Greece
- 098C.A.V.U., 2021North Adams, Massachusetts, USA
- 099Ta Khut, 2021José Ignacio, Maldonado, Uruguay
- 100Espíritu de Luz, 2022Monterrey, Nuevo León, Mexico
- 101Green Mountain Falls Skyspace, 2022Green Mountain Falls, Colorado, USA
- 102Leading, 2023New York, New York, USA
- 103Come to Good, 2024Fort Worth, Texas, USA
- 104As Seen Below – The Dome, 2026Aarhus, Denmark
Massed Light, 1997LeipzigArchitectural lightLeipzig (artist site coordinates), LeipzigGermany
The Inner Way, 1999MunichArchitectural lightFünf Höfe passage, MunichGermany
Light Shaft II, 2003Frankfurt am MainArchitectural lightFrankfurt (artist site coordinates), Frankfurt am MainGermany
Light Transport, 2003ZugArchitectural lightZug railway station, ZugSwitzerland
Night Light / Ship of State, 2003/2004ParisArchitectural lightPrivate office / hotel (artist site coordinates), ParisFrance
Plain Dress, 2005Midtown Manhattan, New YorkArchitectural light505 Fifth Avenue, lobby, Midtown Manhattan, New YorkUSA
Light Raiment, 2006LondonArchitectural lightPrivate / corporate building, LondonUK
Four Eyes, 2007Arnsberg areaArchitectural lightSauerland (artist site coordinates), Arnsberg areaGermany
Skygarden, 2007San Francisco, CaliforniaArchitectural lightSan Francisco Federal Building, San Francisco, CaliforniaUSA
Light Raiment II, 2008Columbus, OhioArchitectural lightCorporate building, Columbus, OhioUSA
Blue Burn, 2012ZürichArchitectural lightZürich (artist site coordinates), ZürichSwitzerland
Dorotheenstadt Cemetery Chapel light installation, 2015BerlinArchitectural lightDorotheenstädtischer Friedhof, BerlinGermany