Sometimes it’s just not possible to go to all the amazing places there are to visit in the world. Enter the Virtual Field Trip, a way to explore a variety of locations using the internet from the comfort of your home. In this ongoing series, we will share links to sites that have free online virtual tours.

Here are some great art museums to visit:

Note: As always, please be sure to preview these sites for appropriateness prior to allowing children to visit these online museums.

Louvre – Visit one of the most well-known art museums in the world on this website. Begin exploring by selecting the "Collections & Louvre Palace" link and choose where you would like to start.

The Guggenheim Collection – Examine artwork from the Solomon R. Guggenheim Museum in New York, the Peggy Guggenheim Collection in Venice, and the Guggenheim Museum Bilbao.

National Gallery of Art – Select the "Collections" link to search through the artwork by artist, media, and more. Then check out all the available educational resources on the "Education" page.

The Museum of Modern Art – In addition to exploring the online collections by selecting the "Art & Artists" link in the menu, scroll down the homepage to locate the "Teach Art at Home" link for teaching ideas.

Smithsonian American Art Museum – Check out the available online collections by selecting "Art & Artists" link, then explore the "Education" link for teaching resources.

The Metropolitan Museum of Art – Use the upper menu to browse through thousands of amazing works of art. Select the "Learn" link to find resources for teaching art as well as the link to the #metkids interactive website created especially for children.

The National Gallery, London – These virtual tours take you throughout the museum to see the works of art. Please note that some of the tours require Flash Player.

The Art Institute of Chicago – Explore the collections at this museum through images, videos and interactive features.

Fine Arts Museum of San Francisco – Browse art collections at this museum in a variety of ways including by artist, time period, country, class and more.

Museum of Fine Arts Boston – The art in this online tour is sorted in multiple ways including by continent, type and more.

Denver Art Museum – After browsing through the collections be sure to visit the Teacher Resources page for hundreds of lesson plans to use in your classroom.

The Frick Collection - Using the interactive map of the museum, explore paintings, sculptures, and decorative arts collected by Pittsburgh industrialist Henry Clay Frick.

Virtual Norman Rockwell Museum – Explore the world of Normal Rockwell through the online exhibits, videos, curriculum, interactives and more.

Web Gallery of Art – While this "museum" is strictly online, it offers a nice selection of European fine arts and architecture.

Still looking for more art museums to visit around the world? Check out this Google Arts and Culture page for over 600 different art museums.