AARP Eye Center
Tens of thousands of flooded caves are scattered around the planet, but less than five percent of them have been explored. This is the hidden frontier of human exploration. All the world's mountains have been climbed. All the seas and oceans have been crossed. Our planet has run out of secrets to reveal except for those that lie waiting underground.
Thursday, Jan 22, 2026 at 10:00 a.m. CT
AARP Information Center at MOA
Bloomington, MN
Saturday, Jan 24, 2026 at 8:00 a.m. CT
Union Depot
Saint Paul, MN
Friday, Feb 6, 2026 at 9:30 a.m. CT
AARP Minnesota Information Center at Mall of America
Bloomington, MN
