The digital branch of the National Library of France. Although you can change the language of the website to English, most of the content itself is in French

pictorial vocabulary, grammar exercises

a directory of more than 800 online magazine and journal sites in French

Treasures from the national library of France

Cultural Services of the French Embassy

14 museums in Paris have worked together to make this digital, high-resolution, collection of over 300,000 artworks publicly available online. Images can be downloaded from this site. The website is available in English, French, and Spanish