tata
qutab minar
It isn't a monument, but a national park. A monument is something made by man, but the Grand Canyon is natural by nature.
The oldest monument in Egypt is the Step Pyramid of Djoser, located in Saqqara. Constructed during the Third Dynasty around 2670 BCE, it was designed by the architect Imhotep as a tomb for Pharaoh Djoser. This pyramid is considered the earliest large-scale cut stone construction and marks a significant advancement in ancient Egyptian architecture.
The rich cultural heritage of India has birthed four major religions, Hinduism, Jainism, Buddhism and Sikhism. Of those, Hinduism is considered to be the oldest religion in both India and the world with roots tracing back to antiquity.
On Concorde place, the oldest monument of Paris: Obelisk of Luxor 3300 years old.
The Cadet Monument
So far as I know, the oldest monument (if by "New World" you mean the US) is a school house in St Augustine, Florida.
Aryavarta is the oldest name of India.
Kutch dargah is India's oldest
les Thermes de Cluny
In florida
The India Gate is a monument of India and it was built in 1931.
Aravalli is the oldest mountain in India.
The indian monument was built by akbar
Place de la concorde obelisk
dome of the rock