Crystal Cave 978 Catawba Avenue, Put-In-Bay, 419-285-2811 What you need to know is there’s a winery here, Heineman’s Winery, that’s been around since the late 1800s. But before you drink all the wine, ...

Hocking Hills in southeast Ohio is one of the state’s most beloved natural gems. Its dramatic gorges, overhanging sandstone recess caves, and beautiful waterfalls are unforgettable. The area is best ...

When the summer sun is blazing, there’s no better way to cool off than by heading underground. Caves offer a naturally air-conditioned escape, along with a chance to explore some of the Earth’s most ...

The discovery of more than 100 prehistoric structures in the Cova Dones cave in Spain makes it one of the most significant prehistoric underground sites in the world. Archaeologists found stalagmites ...