ChicagoMost Highly Industrialized European Country?
What is special about stereoscopic images?
They allow viewing of an image in 3-D
The Region Of Germany Famous For Its Cakes And Cuckoo Clocks?
How high is the Eiffel Tower in Paris?
What was the most popular color used on national flags during the 20th century?
A French philosopher was a source of early inspiration for Enlightenment thinkers, and has been given credit for the phrase 'I think, therefore I am'. Who was he?