Kassel

Places in this region

Walter De Maria's Vertical Earth Kilometer

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth

The Vertical Earth Kilometer, located in the Friedrichsplatz Park in Kassel, Germany, is a one-kilometer long brass rod five centimeters (two inches) in diameter. The full length of the rod is... »

Outsider Art, Subterranean Sites | Edited by jamesb, Henry and others