I need help. I need to revise any run-on sentences. The first one is this. Not sure if these are correct.

Death Valley National Monument located in Southern California and Nevada, is one of the hottest place on earth. Temperatures there have soared as high as 134 degrees Fahrenheit.

Anamaria opened the boxes crammed with toys, out sprang griffins, dragons, and phoenixes.

Subatomic physics is filled with strange and marvelous particles; tiny bodies of matter that shiver, wobble, pulse, and flatten to no thickness at all.

As his first major project, Frederick Law Olmsted designed New York City’s Central Park, one of the most beautiful urban spaces in the United States.

The neurosurgeon explained that the medication could have one side effect, it might cause me to experience temporary memory loss.

3 answers

1 and 4 are right.

You need to divide each of the other three into two sentences.
What about this

Subatomic physics is filled with strange and marvelous particles: tiny bodies of matter that shiver, wobble, pulse, and flatten to no thickness at all.
Right!