Living around the same time as Laozi, but half a world away, (Greece as opposed to China) was Heraclitus of Ephesia (he’s also called Heraclitus the Dark, Heraclitus the Obscure, and also the Weeping Philosopher — but don’t let any of that scare you off).
General information about, the principles, materials, parks, etc can be found at www.silo.net or www.silosmessage.net
There are currently 2 Parks of Study and Reflection in North America. These are Red Bluff (www.redbluffpark.org) in California and Hudson Valley (www.hudsonvalleypark.org) in New York. The Parks of Study and Reflection are projects built and paid for by individuals inspired by Silo’s teachings. More information is available on their respective websites.