Sign up for a CuriosityStream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: http://CuriosityStream.com/ext

Our other channels:
Wendover Productions -    / wendoverproductions   or https://nebula.app/wendover
Half as Interesting -    / halfasinteresting   or https://nebula.app/hai

Follow us on twitter:   / wendoverpro  

Writing by Tristan Purdy
Editing by Alexander Williard
Audio by Graham Haerther
Motion graphics by Josh Sherrington and Maddy
Thumbnail design by Simon Buckmaster
Project management by Gina Giorgi

Select footage courtesy Jayson Dudas:    / @jaysworldtravels  
Select footage courtesy Steve Herold:    • Adak Alaska Bike Ride | Aleutian Isla...  
Select footage courtesy the AP Archive and Getty Images