Take a dip in some of the most beautiful hot springs in the world, including in Costa Rica, Iceland, and Japan.

Weeki Wachee’s biggest attraction has been its historic underwater mermaid shows in a 400-seat submerged auditorium ...

This serial property is an unusually well-preserved and extensive epigenic gypsum karst terrain. It includes a very high density of caves: over 900 caves in a relatively small area, with over 100 km ...