The NTSB said today the Black Hawk helicopter that crashed into a passenger jet over the Potomac River may have been getting incorrect altitude readings ahead of the collision. NBC News’ Erin ...

Cheap spring break trips for every type of traveler Winter doldrums got you down? It’s the perfect time to think about ...

The Aggitis River Cave in Greece is one of the largest and most spectacular river caves in all of Europe. It is located in the area of Drama.