Molly learns about Grandpa Nat's dream to climb to the top of Denali in honor of the first person to do so, real-life Alaska Native, Walter Harper. Molly tries to get Grandpa and her father to climb North America's highest mountain!

Molly learns about Grandpa Nat's dream to climb to the top of Denali in honor of the first person to do so, real-life Alaska Native, Walter Harper. Molly tries to get Grandpa and her father to climb North America's highest mountain!

Molly learns about Grandpa Nat's dream to climb to the top of Denali in honor of the first person to do so, real-life Alaska Native, Walter Harper. Molly tries to get Grandpa and her father to climb North America's highest mountain!