No matter which hemisphere you call home, the June solstice marks a seasonal transition and a fresh start. From June 20–22, 2026, find and log any geocache, event, or Adventure Lab® Location to earn your June solstice souvenir.
Category: Geocaching.com Souvenirs
Gladys West and the GPS revolution: Blue Switch Day 2026
When geocachers step outside with a GPS-enabled device, they’re tapping into decades of brilliant science and mathematics that make those coordinates possible. Behind every successful find stands a brilliant mathematician whose work helped make modern GPS possible: Dr. Gladys West.
Image from the New York Times.
New souvenirs alert: Blue Switch Day 2026!
Have you ever thought about what makes GPS possible?
With the flip of the “Blue Switch,” or Selective Availability, GPS became dramatically more accurate, and a new kind of adventure known as geocaching became possible, turning the whole planet into a playground.
The March equinox is almost here!
No matter which hemisphere you live in, the equinox represents seasonal transitions and balance.
Welcome these changes with a unique souvenir!
Pi Day 2026: 3.14 sweet ways to celebrate, with three new souvenirs to earn!
Grab a slice of geocaching fun—Pi Day is here!
This year’s celebration turns puzzles into souvenirs with a tiered Mystery Cache quest.
