SizeGuess
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12 objects · Free category practice

Landmark size guessing game

Towers, monuments and bridges share one scale. The measurement note tells you whether a height includes the spire, antenna, pedestal or a bridge’s approaches.

The world is waiting.

Preparing your size challenge…

Explore the landmarks collection

Each five-round set is generated from this collection. Your category scores are separate from the mixed daily streak. Read the chosen dimension and measurement note after each reveal.

Browse all 12 measurementsRead the source conventionsPlay today’s mixed challenge
landmarks

Eiffel Tower

330 mheight

Total height including the antenna installed in 2022.

See the perspective
landmarks

Burj Khalifa

828 mheight

Architectural height including the spire.

See the perspective
landmarks

Statue of Liberty

93 mheight

Ground to torch, including pedestal and foundation.

See the perspective
landmarks

Gateway Arch

192 mheight

Official rounded height of 192 m (630 feet).

Get a sense of scale.

  1. Find your reference.The object on the left has a known measurement. Check the height, length or diameter label.
  2. Resize your guess.Pull the corner of the coral silhouette, use the slider, or tap − / +. The green reference stays fixed. Fit view changes only the camera.
  3. Lock it in.The teal silhouette animates to its true size; your coral guess stays visible for comparison. Earn up to 100 points per round; five rounds make 500.
Full rules & scoring

Your perspective.

Play a set to start your personal history.

Share a perspective.

Same silhouettes. Same rounds. Who has the better eye?

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