In Michigan's upper peninsula lies one of the world's oldest and largest lava flows. It's housed in a historic park, and it ...

A little more than a year ago, they introduced Sooty's Coal Tipple, and have now added an O gauge Sooty's Mine Shaft to the lineup. Shaft mining is a method of excavation that accesses an ore ...

The remains of a forest of lycopsids and other oddities is 230 feet underground (John Nelson, left, and Scott Elrick inspect a mine shaft ceiling rich in fossils.) Layne Kennedy Finding a fossil ...