Legends:

Bigfoot Field Researchers Organization: Founded in 1995 — The only scientific research organization exploring the bigfoot/sasquatch mystery. Yes, they’re Squatchy!

http://www.bfro.net/

 Official Researchers of the Jersey Devil

http://njdevilhunters.com/

Extraterrestrial:

 SETI Institute-Search for Extraterrestrial Intelligence

http://www.seti.org/