The quarantine measures put in place to limit the spread of COVID-19 have led to the closing of museums in several countries around the world, forcing people to stay home for their own safety and that of others. The following links are all the different ways museum and archives have made online resources for everyone to enjoy.
Recently, The Smithsonian (Washington, DC) released 2.8 Million high-resolution images from across its collections onto an open access online platform.
Earlier this year,Paris city museums(France) offered 324,622 digital reproductions of artworks via their Collections portal.
MoMA

The Museum of Modern Art (New York) made accessible a trove of audio with insight from artists, curators, and others.
The opera aficionados will be delighted to learn about and listen toNightly Metropolitan Opera streams (free).
Cambridge University Press is making higher education textbooks in HTML format free to access online during the Coronavirus outbreak. Over 700 textbooks, published and currently available, on Cambridge Core are available regardless of whether textbooks were previously purchased.
Your family members may want to take advantage of Open-Access JSTOR Materials Accessible to the Public:
“The online academic resource has long had E-books and journals available without the need for a login”.
Many museums regularly offer livestreaming tours of their collections and exhibitions, often hosted by curators or museum directors themselves. Check out this walk-through of the exhibition “City and Cosmos: The Arts of Teotihuacan” at the LACMA on Facebook.
More resources can be found here.