The Arch de Triumph.
It is an opinion of what the most famous is so there is really no answer.
The Acropolis is a fortified natural stronghold. The Parthenon is built on the Acropolis.
Minnasota Mining
Point pine
The Isthmus of Panama --more of a land formation than a landmark, but in Scattergories you can probably get away with it.
The Arch de Triumph.
The Eiffel tower is the most famous Parisian landmark.
effil tower
It is a famous boulevard in the center of Paris leading up to another famous Parisian landmark, the Arc de Triomphe.
The Eiffel Tower faced first fierce criticism from artists and townspeople.
Norte Dame Cathedral
the Notre-Dame cathedral is France's (and probably Europe's) most visited monument. The Eiffel tower is very famous as a Parisian landmark.
A proper noun is the name of a specific person, place, or thing. A proper noun for the common noun 'landmark' (or 'famous landmark) is the name of a famous landmark; for example, The Taj Mahal, The Statue of Liberty, or The Eiffel Tower.
Yes it is a landmark, a natural landmark.
It was a landmark victory.The Tower of London is a landmark.
landmark
The Landmark is Disney Land