Stealth Bomber
The B-2 Spirit is the U.S. Air Force's stealth bomber, renowned as one of the most expensive aircraft ever built due to its advanced stealth technology and low production numbers.
Estimated value as of 2026 · Source: Economy Insights, National Interest, Britannica (2022-2024 analyses)
Fun Fact
The program's total cost exceeded $44.75 billion for just 21 aircraft, averaging over $2.1 billion per unit when including development and full lifecycle expenses.
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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.