Today's Geo Quiz has a trippy quality.

We're talking psychedelic. And when you think about psychedelic music, for instance, you think the 60's. But the hallucinogenic drug that's associated with that time was actually discovered in the 30's.

LSD was first identified by a Swiss chemist in his laboratory. So for our quiz ... we want you to puzzle on the whereabouts of that lab.

LSD tablets

It's a city in north-west Switzerland along the Rhine River. The discovery of LSD was just a blip in the history of this city.

Today it's a major chemical and pharmaceutical center. So try to name this Swiss city that borders Germany and France.

We'll remember the Swiss father of LSD ...when we reveal the answer...