(Join me for a multimedia tour of Africa at www.nytimes.com/kristof.)

What follows is a three-part multimedia tour of the latest Bernsteiniana.

There are multimedia tours using maps to illustrate topics like "Europe Through the Ages" and "Our Changing Earth and Space."

Annette Weintraub's "Sampling Broadway" is her idiosyncratic multimedia tour of five sites in Manhattan.

Suspended Animation was released in May 2000, and supported that summer with a lengthy multimedia tour of the US, accompanied by filmmaker Jon Frechette.

Began in the early 1990s, the current version is 7.0 (released in 2009) which includes 3D models of the galaxy, multimedia tours and access to star catalogs.

There is also a multimedia tour which uses a PDA to provide not only audio content, but also video and still images, adding to the visitor's experience.

As one of the first museums in the Netherlands the Stedelijk Museum Kampen uses this kind of multimedia tour.

You can join me on a multimedia tour of Iran at www.nytimes.com/kristofresponds, top-right corner.

For a sample of the multimedia tour, in English or Italian, visit www.salve.it.