Turkish airlines has a promo where you can get 1 million miles by flying to all 6 continents they fly.

You can do it for about $3k (depending on where you start from)

https://www.turkishairlines.com/en-us/miles-and-smiles/campaigns/fly-across-6-continents-Earn-1-million-miles/

Catches:
- All qualifying flights must go through Istanbul
- Miles expire after 3 years

Is anyone else doing this or want to be travel bodies? What routes are you considering?

https://www.reddit.com/r/awardtravel/comments/1lmvufv/turkish_1m_optimal_strategy_cheat_sheet_under_3k/