ALL ANSWERS · LANDMARKS · DAILY No. 56 · OCTOBER 29, 2026
Size It Up Landmarks answer: October 29
The five Landmarks silhouettes for October 29, with the true sizes. If you have not played yet, this page is a spoiler — play these five first, then come back to argue with the numbers.
Day 56 ran from the Qutb Minar (72.5 m) to the Mackinac Bridge Main Span (1.158 km). The widest gap was round 3, Wembley Stadium Arch against Shanghai Tower, at 4.8×; the closest call was round 2, Merdeka 118 against Ben Franklin Bridge Main Span, only 1.3× apart — the kind of round that separates a 90 from a 60.
SPOILER · TODAY’S FIVE
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ROUND 1
Burj Khalifa vs Mackinac Bridge Main Span (between tower centres · schematic)
Mackinac Bridge Main Span · reference · 1.158 km Burj Khalifa · true height · 828 m 1.4× shorter than the Mackinac Bridge Main Span
Burj Khalifa is 828 m tall — two and a half Eiffel Towers stacked.
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ROUND 2
Merdeka 118 (architectural height) vs Ben Franklin Bridge Main Span (between tower centres · schematic)
Ben Franklin Bridge Main Span · reference · 533.4 m Merdeka 118 · true height · 678.9 m 1.3× taller than the Ben Franklin Bridge Main Span
Merdeka 118: 678.9 m height (architectural height). Measured from the base to the architectural tip; includes the permanent spire, where present.
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ROUND 3
Wembley Stadium Arch (arch height) vs Shanghai Tower (architectural height)
Shanghai Tower · reference · 632 m Wembley Stadium Arch · true height · 133 m 4.8× shorter than the Shanghai Tower
Wembley Stadium Arch: 133 m height (arch height). The stadium’s published 133-metre arch height, not the roof height or arch span.
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ROUND 4
Qutb Minar (tower height) vs St Paul’s Cathedral (to the top of the cross)
St Paul’s Cathedral · reference · 111 m Qutb Minar · true height · 72.5 m 1.5× shorter than St Paul’s Cathedral
Qutb Minar: 72.5 m height (tower height). From the base to the top of the minaret; excludes nearby buildings.
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ROUND 5
Williamsburg Bridge Main Span (between tower centres · schematic) vs Sydney Opera House (length)
Sydney Opera House · reference · 183 m Williamsburg Bridge Main Span · true length · 487.7 m 2.7× longer than the Sydney Opera House
Williamsburg Bridge Main Span: 487.68 m length (between tower centres · schematic). Horizontal main span between the two tower centre lines; approach roads and side spans excluded. Tower heights, deck depth and cable details are schematic, not measured.
Beat these tomorrow
Every round is worth up to 100 points: within 6% of the true size scores 100, half or double scores 45, five times off scores zero. The daily puzzle is the same five for everyone and refreshes at midnight in your time zone; if you want more than five, Size It Up Unlimited draws fresh pairs from the whole library for as long as you like.