What is French Guiana best known for?

As the other answer said, the answer is definitely Ariane, the site of the European Space Agency's Guiana Space Centre (Mission to success - Arianespace ) at Kourou. If you go French Guiana you can book a free tour of the facilities, and you can watch rocket launches for free too if there is one on. read more

If you go French Guiana you can book a free tour of the facilities, and you can watch rocket launches for free too if there is one on. The Russian space agency (not part of the ESA) also has a large area of the Guiana Space Centre for their own use, which they pretty much manage independently. read more

The beaches in French Guiana are typically wild, windswept affairs, and this beach is no different, but it does have a narrow, strip of golden shoreline that is great for sunbathing, and palms and lush greenery fringe the sand, providing welcome patches of shade. read more

French Guiana and the two larger countries to the north and west, Guyana and Suriname, are still often collectively referred to as the Guianas and constitute one large landmass known as the Guiana Shield. read more