The Herkimer Diamond Mines are open from 9 a.m. to 5 p.m. daily through Oct. 31. There is a $10 admission fee for visitors ages 13 and older, which includes an all-day prospecting ticket, ...

You can search for diamonds at the Herkimer Diamond Mines KOA Resort, but there's still more to see in the area. Here are a few more gems to unearth when you visit this diamond-in-the-rough.

Herkimer Diamond Mines: In Herkimer, New York, you'll find a one-of-a-kind tourist attraction that gives guests the opportunity to shift for quartz crystals. The stones are close to 500 million ...

These seasonal mines open their 2024 season in April, and opening day will bring droves of enthusiasts digging Herkimer diamonds – a type of especially clear, especially hard quartz crystal ...