The Azores, a remote archipelago of nine volcanic islands in the middle of the Atlantic Ocean, are a beacon of emerald-green landscapes, dramatic coastlines, and a culture deeply connected to the sea.

A four-and-a-half-hour direct fight from Boston can bring you to a little oasis in the middle of the Atlantic, where a Portuguese archipelago is waiting to roll out the green carpet for you. Located ...

From onsens in Japan to high-altitude pools in Bolivia, the photographer Greta Rybus shares highlights from her search for thermal waters. Looking out from the simple changing room at a hot springs ...