10 for 10 Earthcache Challenge

10 Geocache Challenge

100 Cemetery Challenge

100 in a month Challenge

100 Souviner Challenge - Wyoming

2500 Milestone Challenge

4 T OR HIGHER HALF CENTURY CHALLENGE

422 Challenge - December

5 State Busy Traveler Challenge

50 Souvenirs Challenge

Alpha-Numeric by cache name challenge

Challenge of the Century - Traditional

Easy Alphabet Challenge

Four Corners  Numbers challenge 

in memory of j.d

KYOVA Geo-Challenge

Lucky Seven: Virtual Cache (Type Challenge)

Milestone Maniac #6000 Challenge

Montana State County Challenge

North Dakota Challenge: 53 Counties

At least one challenge I attempted required cachers to find unknown caches in ten states.  COMPLETED!  Note:  I'm actually using challenge caches wherever possible and am going for more states.  PERMANENT BOOKMARK LIST, dated.

MYSTERY CACHES IN MANY STATES CHALLENGE

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MYSTERY CACHES IN MANY STATES CHALLENGEPublic