'Eat, Pray, Love' in the USA: meet the man visiting all 413 national parks in one trip

Mikah Meyer is making a record-breaking attempt in a battered Hyundai his father left him when he died, hoping to highlight parks for gay people and millennials

There was the night when something big was sloshing around ominously in the river next to his tent and he was too terrified to look out, but knew wolves and moose were at large.

Then there was the sweaty night when he thought he would bake to death in his van but was too scared to open the windows because he was parked in a sketchy neighborhood in Ohio.