i was just reading 2600 volume 20 no1 and i found a funny telnet site: towel.blinkenlights.nl

i'm just wondering if you guys now any similar adresess

That's so old.

A simple http://www.google.com/search?hl=en&lr=&safe=off&c2coff=1&q=%22towel.blinkenlight s.nl%22&btnG=Search will yeald a few results (to say the least)...

For example:
http://www.telnet.org/htm/places.htm