This is a challenge cache. The cache itself IS at the posted coordinates.
This is a pretty simple challenge. To qualify, you must have found 250 or more caches with the "Recommended for Tourists" attribute. Use this challenge checker to see if you qualify:
Feel free to find the cache and sign the logsheet if you are in the area. Be sure to post a note on the cache page. But do NOT log it as Found unless you qualify. Found It logs that do not qualify will be deleted!
Have fun and see the sights!