A Book titled “Living with the Himalayan masters” by Swami Rama has lot of those documented miraculous experiences (many includes eye witnesses), lot of people already knows about yogic powers of those Himalayan yogis.
Some miracles to name (you can read more in the book)
Neem Karoli baba : who ate arsenic but no poisoning happened. (Pg 38)
Yogi who throws flame from his mouth (pg 37)
Devraha Baba : Ageless yogi
The first president of India dr. Rajendra Prasad witnessed about big age of the yogi. He said that he personally could confirm at least 150 years of his life. At the age of 73 he said that when he was a young boy, his father sent him to meet Baba, who was same old person, and his father had already known Baba for many years before that.
The presence of Devraha Baba was recorded at 12 main Kumbh Mela holidays which take place once in 12 years.
The lawyer of Allahabad High Court determined that seven generations of his family had sat at the feet of Devraha Baba.