Moon Rock (per gram)
A gram of lunar material brought back by Apollo astronauts.
Estimated value as of 2025 · Source: Lunar meteorites from space sell legally for around $1,000 per gram
Fun Fact
It's illegal to own Apollo moon rocks — the few times they've sold, the FBI was usually involved.
More in History
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.
Declaration of Independence
The original 1776 document declaring American independence from Britain.
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.
Crown Jewels of England
A collection of royal regalia including crowns, scepters, and jewelry estimated at over $3 billion.