Mars Rover
The NASA Perseverance Mars Rover is a flagship-class robotic explorer designed to search for signs of ancient microbial life on Mars, launched in 2020 and landed in 2021.
Fun Fact
The Perseverance rover's cost increased from an initial $1.5 billion estimate in 2012 to $2.7 billion due to overruns, yet it ranks only as the third most expensive NASA Mars mission behind Viking 1 & 2 and Curiosity.
Price History
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Crown Jewels of England
A collection of royal regalia including crowns, scepters, and jewelry estimated at over $3 billion.
The Cullinan Diamond
The Cullinan Diamond is the largest gem-quality rough diamond ever found, weighing 3,106.75 carats, discovered in 1905 in South Africa and cut into multiple gems now owned by the British Crown Jewels.
Titanic (salvage rights)
The estimated value of salvage rights to the most famous shipwreck.
Nuclear Reactor
A nuclear reactor is the core component of a nuclear power plant that generates electricity through controlled nuclear fission, with construction costs for a full-scale plant typically in the billions of dollars.