Sources
Where every fact on landmarks.im comes from.
- Eiffel Tower (official site): The tower in figures, checked 10 November 2026. Used for 2 facts.
- English Heritage: History of Stonehenge, checked 10 November 2026. Used for 2 facts.
- Manx National Heritage: The Great Laxey Wheel, checked 10 November 2026. Used for 2 facts.
- Sydney Opera House: Our story, checked 10 November 2026. Used for 1 fact.
- Tower Bridge: Timeline, the construction of Tower Bridge, checked 10 November 2026. Used for 2 facts.
- Tower Bridge: Top facts of Tower Bridge, checked 10 November 2026. Used for 1 fact.
- UK Parliament: Conserving a clocktower in the middle of a working Parliament, checked 10 November 2026. Used for 1 fact.
- UK Parliament: Constructing the most accurate clock in the world, checked 10 November 2026. Used for 1 fact.
- UK Parliament: Facts and figures, Big Ben and Elizabeth Tower, checked 10 November 2026. Used for 1 fact.
- UK Parliament: How the clock tower has changed over the decades, checked 10 November 2026. Used for 1 fact.
- US National Park Service: Statue of Liberty statistics, checked 10 November 2026. Used for 1 fact.
- US National Park Service: Statue of Liberty, history and culture, checked 10 November 2026. Used for 1 fact.
Each source was checked on the date shown. We write facts in our own words and link to the page each one comes from.