Hoff's Aliner Travels
A Travel Blog for US and Canadian Parks with Geological Notes

Jewel Cave National Monument in South Dakota contains Jewel Cave, currently the third longest cave in the world (after Mammoth Cave and Sistema Sac Actun Cave in Mexico), with 189 miles of mapped passageways. Calcite Spar was very common on the tour.

Late night entertainment

Home

Continue to next leg of trip

Return to Massachusetts to Canada Trips