For nearly 30 years, Robbie Schmittner has mapped the hidden veins of the Yucatán. Now, with Koox Baal linked to the Mother of All Cenotes, he’s...
Tulum, Mexico – February 20-27, 2026 — National Speleological Society-Cave Diving Section (NSS-CDS), a dedicated nonprofit for the advancement of cave diving education, exploration, and safety,...
We offer a sobering update on the state of the Yucatán Pennisula, post-Tren Maya, conducted by Stratis Kas with three Yucatán-based diving instructors/ explorers and a...
There are only a handful of 100-meter-deep caves in Quintana Roo, Mexico, so when a colleague suggested he may have found another one, cave instructor/explorer Skanda...
Spanish-born cave diver and underwater photographer Joram Mennes illuminates hidden karst color.
By Emory Kristof. Header image of the B-15 iceberg by Wes Skiles appeared in National Geographic “Islands of Ice” in December, 2001. I first learned about...
These are the elements that British expat photo-alchemist Tom St. George transmutes into pure visual gold.
If you thought that the Riviera Maya had given up most of her secrets, think again. Underground expats Emőke Wagner, László Cseh, and Bjarne Knudsen managed...
The exploration crew at CINDAQ, headquartered at Zero Gravity Dive Center in Puerto Aventuras made international news this year with their discovery of an ancient submerged...
Do you know your arrows, cookies, REMS, TEMS, presence, personal and team markers? Single or in combination? Jump protocols? If your answer to any of these...