Many of these are simply beautiful sites, well worth visiting. (Listed in Alphabetical Order)
- The Acropolis Museum - Athens, Greece
- The Art Institute of Chicago - Chicago, Illinois
- Benaki Museum - Athens, Greece
- Birmingham Museum of Art - Birmingham, England
- The Bodleian Library - Oxford, England
- The British Library - London, England
- The Bundeskunsthalle- Bonn, Germany
- The Contemporary Art Center - Cincinatti, Ohio
- Centre Pompidou - Paris, France
- Courtauld Institute of Art - London, England
- Dallas Museum of Art- Dallas, Texas
- Denver Art Museum - Denver, Colorado
- The Detroit Institute of the Arts- Detroit, Michigan
- Deutche Guggenheim - Berlin, Germany
- Fine Arts Museums of San Francisco - San Francisco, California
- The Frick Collection - New York, New York
- The Getty - Los Angeles, California
- The Guggenheim Museum - New York, New York
- The Guggenheim Museum, Bilbao - Bilbao, Spain
- The Peggy Guggenheim Collection, - Venice, Italy
- Hayward Gallery - London, England
- The Hunterian - Glasgow, Scotland
- The Kimbell Art Museum - Fort Worth, Texas
- Kunsthistorisches Museum - Vienna, Austria
- The Louvre - Paris, France
- The Los Angeles County Museum of Art - Los Angeles, California
- The Metropolitan Museum of Art - New York, New York
- The Montreal Museum of Fine Arts - Montreal, Canada
- The Claude Monet Foundation at Giverny - Giverny, France
- Museum of Contemporary Art - Chicago, Illinois
- Museum of Fine Arts - Boston, Massachusetts
- The Museum of Modern Art - New York, New York
- Museum für Kunst und Gewerbe Hamburg - Hamburg, Germany
- Musée d'Orsay - Paris, France
- National Gallery of Canada - Ottawa, Canada
- The National Gallery - London, England
- National Gallery of Art - Washington DC
- National Gallery of Ireland - Dublin, Ireland
- National Galleries of Scotland - Edinburg, Scotland
- National Museum of Women in the Arts - Washington DC
- National Portrait Gallery - Washington DC
- The National Portrait Gallery - London, England
- Philadelphia Museum of Art - Philadelphia, Pennsylvania
- Museums of the Polo Museale of Florence - Florence, Italy
- The Rijksmuseum - Amsterdam, The Netherlands
- Royal Academy of Arts - London, England
- The Saatchi Gallery - London, England
- The Salisbury Museum - Salisbury, England (including Stonehenge finds)
- Salvador Dali Museum - St Petersburg, Florida
- San Francisco Museum of Modern Art - San Francisco, California
- Seattle Art Museum - Seattle, Washington
- The State Hermitage Museum - St. Petersburg, Russia
- The Tate Britain - London, England
- The Tate Modern - London, England
- The Tate Liverpool - Liverpool, England
- The Tate St Ives - St Ives, England
- The Andy Warhol Museum - Pittsburg, Pennsylvania
- The Whitney Museum of American Art - New York, New York
- VanGogh Museum - Amsterdam, Netherlands
- Vatican Museums - Vatican City