Located near Maastricht, Valkenburg aan de Geul enchants visitors with its underground Roman caves, hilltop castle ruins, and ...

We propose in a recently published review paper that the coast of southern Africa was likely where Homo sapiens began the ...

Valkenburg aan de Geul offers a rare mix of natural beauty and history. Wander through Roman-era caves, visit the dramatic castle ruins, and enjoy panoramic views of Limburg’s rolling hills. Only a ...

Baobabs are sometimes called "upside-down trees," because their branches look like roots reaching skyward. Of the eight ...