Rather, the made-up modern versions of history are, in a funny way, utopian experiments.

Crestwood Hills began as a utopian experiment in the late 1940s by a few musicians, and eventually turned into a cooperative association that included 400 members.

By March 1827, after several other attempts to reorganize, the utopian experiment had failed.

In Brazil, a utopian social experiment, Penedo, was started in 1929.

Yet comparable behavior in human communities, as many utopian experiments testify, would quite likely have the opposite result: disintegration.

The four other performers in the play each discuss a single utopian experiment.

These young people loved America and appreciated its role in the world as a utopian experiment in freedom and self-determination.

Some judges liken them to Prohibition: a utopian experiment gone haywire.

But for the most part, the utopian experiment has been a surprising success.

From their roots in utopian experiments in California, online social networks spread around the world.