t h e L E G O L I S T !

the idea was floated (sorry) back in the 40s:
from wikipedia-
Reber Plan
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John Reber was an actor, theatrical producer, and schoolteacher who designed and advocated a plan to fill in the San Francisco Bay in the late 1940s. Under the plan, which was known as the San Francisco Bay Project [...]

Crazy stunt, political statement — or both?
Guerrilla Bikers
[Credit: NPR}
The Crimanimalz have now made two guerrilla rides on the interstate in Santa Monica, Calif. The Crimanimalz
“The idea just kind of hit us. Let’s ride on the freeway.”
Morgan Strauss
On the second ride, group members draped a sign at one overpass. The Crimanimalz
The Bryant Park Project, June 12, [...]