Some of the most expensive things in the world may surprise you, from million-dollar crash-test dummies to taxidermy in Texas to the artist at the center of the NFT craze. We tell you how much it will cost to bring a tiny sample of dirt back from Mars and go inside the most exclusive nanny school in the world as we explore how these things became so expensive.

MORE SO EXPENSIVE NEWS VIDEOS:
How The Most Expensive Nannies In The World Train | So Expensive
https://www.youtube.com/watch?v=agLUDl4YpQg
Why Survival Bunkers Are So Expensive | So Expensive
https://www.youtube.com/watch?v=82KfhJ3u45g
Why These Crash Test Dummies Cost Over A Million Dollars | So Expensive
https://www.youtube.com/watch?v=gfQl21pBnlk

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So Expensive Marathon Season 7