How about some Extreme Diving Trips.  There are a few spaces on Amos’s:

Crocodile, Botswana
July 8 – 16, 2013 one space

Blue Whale, Coast of California
July 28 – Aug 3, 2013 three spaces

Great White Shark Mexico, Isla Guadalupe
October 8 – 14, 2013 two spaces
October 14 – 20, 2013 five spaces

Blue Whale, Costa Rica Dome
January 13 – 28, 2014

Sperm Whale, Dominica
Feb 8 – 15, 2014; Feb 15 – 22, 2014

Sailfish Run, Isla Mujeres in Mexico
Feb. 24 – March 3 , 2014; March 3 – 10, 2014