Sydney Opera House
The Sydney Opera House is an iconic performing arts center in Sydney, Australia, famous for its distinctive sail-like architecture and high construction costs.
Estimated value as of 2026 · Source: Sydney Opera House official website (adult tour ticket)
Fun Fact
The Sydney Opera House cost approximately A$102 million to build (about US$1.2 billion in 2025 dollars), 14 times over its original budget estimate.
Price History
More in History
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.
Super Yacht
A superyacht is a luxury motor yacht typically over 24 meters (80 feet) in length, representing the pinnacle of maritime luxury and exclusivity.