Une chasse aux roches glaciale au lac Huron
10:08
New England Rockhounding: Looking for Rocks on an Atlantic Beach
16:00
My Best Agate Haul of the Year—Nov. Rock Hunt on Lake Superior
5:15
Mount St. Helens Rumbling as Eruptions Predicted 7 Days Ahead
24:06
Cutting these African Agates NEVER disappoints! Banded & Colorful Gems
9:27
How to Ship 800 Billion Pounds of Rock (The Marquette Ore Docks)
10:33
Lake Superior Agates In Grand Marais
9:09
The Ancient City That Mastered Water
27:44