| OHPEX06 (12/26/2006) | Ohio Explore-a-thon 2006 was a three day event that swept across Columbus, Dayton, and Cincinnati. In attendance were UER members from all over the buckeye state and at least one from considerably further. |
| Waltz n Splore Volume 2 (2/22/2007) | Waltz n Splore Volume 2 found attendees from Tennessee, Georgia, Indiana, Kentucky, and New Jersey gathering for a weekend of exploring new and old locations and celebrating new and old friendships. |
| MAMU III (12/12/2009) | 11 explorers met up in Louisville, KY for a weekend of exploring, including a 700 ft crane and the abandoned subway networks of Cincinnati, and of course lots of massive post-apocalyptic industrial ruins in Louisville, Cincinnati and Indianapolis. |
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