Rory walks into the hotel, with the Doctor, Amy, and River hot on his heels.

FORBES: Doctor Who 7.05: The Clock Winds Down for Amy and Rory

The spa offers hot steam baths, cool river baths and hammocks in addition to treatments such as massages, seaweed wraps and holistic facials.

BBC: Following the royals through North America

Three Ukrainians were swept to death by the unusual flood last year when they were at a hot water spring along the Seti river some 20 kilometres north of Pokhara.

BBC: Nepal floods change river course and threaten tourism

Spain's oldest nuclear power station - the Santa Maria de Garona plant - was shut down on Sunday because the Ebro river water became too hot to cool its reactor.

BBC: NEWS | Europe | France seeks medics for heatwave

The river below the bridge has run dry, matching the hot, dusty landscape.

CNN: ASIANOW - TIME Asia | Asia Buzz: Courage Under Fire

On a bitterly cold January morning Spanish businessman Javier Capella sits in a warm General Growth boardroom in Chicago overlooking the river, talking about his dream to make his handbags as hot in the U.S. as they are back home.

FORBES: Good Neighbors

Once there, you can take hot-air balloon rides over the Sonoran Desert, kayak in the Verde River or tour Frank Lloyd Wright's architectural campus and winter home, Taliesin West.

WSJ: Get Off the Beaten Path for This Year's Vacation Deals

His debut album "Justified, " which spawned hits like "Rock Your Body, " "Cry Me a River, " and "Like I Love You, " soon became hot enough to land him on the biggest stage of all.

CNN: SHARE THIS

On a hot Sunday in 1999 three miners find a thin, triangular stone in a muddy Brazilian river.

FORBES: Fracture Lines

Another hot ticket is the Vander Urbani Resort, which opened in 2012 near the banks of the Ljubljanica River.

BBC: Epicurean Slovenia makes its mark