Jetée

although the above visualization may be difficult to see (though you can always click it to 'embiggen')

I think the point gets across quickly, when realizing the title of it.
It shows a trending and geographical survey of the world's most popular tourist attractions,
with that of the 'hot spots' being denoted by the rising and warmer colors.

also, the official word...

author's comments:
Great places-to-avoid heatmap, using distribution of photos on Panoramio. Nice idea! By BlueMoon.ee


-- courtesy of Information is Beautiful

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As human beings, our greatness lies not so much in being able to remake the world (that is the myth of the Atomic Age) as in being able to remake ourselves.

—Mohandas K. Gandhi