I will continue to add museums here. It is not a comprehensive list, but will give you an entry point into some of the top international museums.

France:

Paris:

• The Louvre
• Rodin Museum (Musee Rodin)
• Orangerie
• Musee d’Orsay
• Marmotten

Italy:

Florence:

• Uffizi
• Bargello – National Museum of Sculpture
• Opera del Duomo – see the famous Bapistery Doors of Ghiberti
• Palazzo Pitti – includes masterworks by Titian, Raphael and more
• Convent of Saint Mark – works by Fra Angelico
• Accademia del Galleria: Home to Michelangelo’s David
• Santa Croce Church
• San Lorenzo Church
• Santa Maria Novella Church
• Brancacci Chapel
• Casa Buonarotti (Michelangelo’s House)

Venice:

• Accademia
• Peggy Guggenheim
• The Doge’s Palace
• Correr Museum

Ravenna:

• UNESCO World Heritage Sites – Byzantium

Padua:

• Scrovegni Chapel

Rome:

• Vatican
• Galleria Borghese
• Capitoline Museum
• National Etruscan Museum
• National Gallery of Modern and Contemporary Art
• Doria Pamphili
• Pantheon

Milan:

Brera

Last Supper – Leonardo Da Vinci – Santa Maria del Grazie

England:

London:

• The National Gallery
• The Tate Britain
• The Tate Modern
• Courtauld
• British Museum
• Victoria and Albert

Spain:

• Bilbao
• Prado

Netherlands:

• Van Gogh
• Rijksmuseum
• Hague – Mauritshuis

More to come! I add museums as I have time!