You decide who will win $10,000, embark on an expedition in a Winnebago RV, and appear in Outside Magazine
Denali National Park and Preserve
What has been your favorite adventure experience?Ziplining in Costa Rica near Arenal Volcano
Help Samuel Carrara become the Ultimate Explorer while supporting a great cause! Cast your daily vote below, or make even more of an impact with Donation Votes, a tax-deductible donation supporting the National Park Foundation.
Colossal is a nationally registered professional fundraiser that inspires people to advocate for themselves and those in need. Through online competitions like Ultimate Explorer, Colossal offers participants the opportunity to make their mark while also making a big impact.