The doorbell to Martinho de Almada Pimentel's house in Sintra, Portugal, is hard to find, and he likes it that way. It's a long rope that, when pulled, rings a literal bell on the roof that lets him ...

In this best things to do in Lisbon travel guide we show you all around the capital city of Portugal. We show you 25 things ...

I have never until now taken time to consider the creation of a wave. To fathom the climatic and gravitational forces propelling salt water across sunken topographies so that it swells, rises, arcs ...

Summer long photo campaign hits final stretch as Aug. 4 submission deadline nears During their week-long June trip to Portugal with friends, Duke Clinical Nurses Kimberly Muth and Nancy Sain, booked a ...