Located at the bottom of an abyss in Albania, the world's biggest underground thermal lake is a one-of-a-kind natural wonder ...

With over 8,000 cubic meters of water, it contains more 3.5 Olympic swimming pools of water volume, all geothermally heated.

The new Glade Reservoir in Larimer County will have plenty of impacts. Here's what to know about recreation, moving the highway and Haystack Rock.

Picture this: shockingly deep turquoise waters, a tiny island crowned by a medieval church, and a backdrop of majestic ...