The volcanoes are in the Tuweep region of the canyon. The most recent eruptions were about 1,000 years ago.
I got that the Grand Canyon started forming 60-70 million years ago. Correct me if I'm wrong, but The Grand Canyon started forming about 1.7 billion years ago. The Grand Canyon of Arizona was formed near 6 million years ago by the Colorado River.
Fossils of armored fish, corals, shellfish, and snails have been found in the Grand Canyon.
Kilauea is currently erupting has has been almost continuously since 1983.
It last erupted in April 13,2009.
Kilauea in Hawaii has been erupting continuously since 1983.
The Grand Canyon has been eroding since its creation and the erosion continues to this day.
The National Parks Service reports that there have been 184,763,635 visits to the Grand Canyon Nat'l Park, since they have controlled it.
The Grand Canyon existed millions of years before the Pyramids of Giza were built. The Pyramids were considered a "tourist" destination at least since the 300s BCE. The Grand Canyon has only been one since about 1885. So take your pick on which site is the "oldest" tourist site.
the author has never seen the grand canyon
The condor was the rare animal released in the Grand Canyon.
It would not fameosn
The Grand Canyon qualifies as old; it has been around for a long time.
It is not known if the Grand Canyon is the oldest canyon in the world. The exact date is not known, however, it has been said that the canyon is at least 5-6 million years old.
According to the NPS, 373 species bird have been seen in the Grand Canyon area.
According to the National Parks Service, there have been 184,763,635 visitations to Grand Canyon NP since 1919. It would be impossible to determine how many of these were multiple visits by the same person (I've been there seven times, for example).
Leave it as it is. The ages have been at work on it, and man can only mar it.
About 17 million years.