GeoOracle #12: Eiffel Tower

25 June 2026 · Landmark · Difficulty 2 of 5

How it opened

I stand as a latticed giant on a famous Parisian plain, my iron frame reaching toward the sky.

The five clues

  1. 01A skeletal monument of intersecting lines, born from industrial dreams of the late nineteenth century.
  2. 02I overlook the Champ de Mars in the heart of a major European capital on the Seine.
  3. 03An engineer named Gustave designed my construction, which took from 1887 to 1889 to complete.
  4. 04I am a lattice tower built by an engineer's company, dominating the landscape of Paris, France.
  5. 05I was founded in 1887 and stand on the Champ de Mars—a lattice tower built by Gustave Eiffel's company.

The answer

Eiffel Tower

France · Europe

About this place

This iron lattice monument emerged from the vision of engineer Gustave Eiffel, whose company meticulously designed and constructed it between 1887 and 1889. Standing proudly on the Champ de Mars, it has become inseparable from the identity of Paris, France. Its geometric framework represents an era when engineering prowess and architectural ambition pushed the boundaries of what was possible.

Geography

The structure stands in Paris, France, on the open ground of the Champ de Mars, a large public space beside the Seine. Its position within the city gives it a prominent place in the surrounding urban landscape, rising above the flat parkland that surrounds it. No specific details about the wider climate or terrain of the area are needed to appreciate its striking presence over the French capital.

History

Work on the structure began in 1887, when the engineering firm led by Gustave Eiffel undertook its design and construction. The project reflects the ambition and technical skill of Eiffel's company, which carried the building through to completion by 1889. The tower's very name commemorates the engineer whose enterprise brought the plan to life, tying its identity permanently to his work and reputation.

Notable features

What distinguishes this landmark is its lattice construction, an open framework of interlocking iron that gives it a distinctive silhouette against the Paris skyline. This design approach, favoured by engineers of the era, allowed for a tall yet relatively light structure. Standing on the Champ de Mars, it remains instantly recognisable as a symbol closely tied to the city and to the name of its creator.

Fact sheet

Country
France
Continent
Europe
Coordinates
48.858, 2.295
Founded
1887

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