From dragons and Celtic kings to enchanted lakes, there is a wealth of myths and legends associated with Wales.
Powys lays claim to a number of these myths and legends, acting as the backdrop to where these tales took place.
The National Trust has rounded up all the Welsh myths and legends with a "magical tale for everyone and a wealth of traditions to discover".
Here are the tales linked to Powys:
Cwm Llwch
Llyn Cwm Llwch, tucked beneath the mountains of Pen y Fan and Corn Du is a lake The National Trust says is "steeped in legend".
The Trust explains: "It’s said that every May Day an enchanted island would appear which was full of fairies.
"People who visited were told they must take nothing with them when they left the island, but one year, a greedy visitor stole a flower.
"When returned to the shore he lost his senses, and the island has not been seen since."
Tale of Tommy Jones (Brecon Beacons)
The tragic tale of five-year-old boy Tommy Jones who got lost in the Brecon Beacon mountains dates back to August 4, 1900.
A miner from Maerdy, at the head of the Rhondda Fach valley, decides to take his five-year-old son Tommy to visit his grandparents who farmed near Brecon, the National Trust explains.
They travelled by train and planned to walk the 4 miles (6.4km) to Cwmllwch, the farmhouse in the valley just below Pen y Fan.
By 8pm they'd reached the Login - a building where soldiers stayed whilst training at the rifle range - further up the valley at Cwm Gwdi.
The father and son stopped for refreshments and met up with Tommy’s grandfather and cousin William (13).
William was asked to go back to the farm and tell his grandmother to expect Tommy and his dad.
Tommy decided to go with his cousin, but halfway he became upset and wanted to return to his father.
The two boys decided to split up. William completed his errand and returned to the Login, but Tommy hadn’t returned.
A search began immediately for Tommy, one that would last for 29 days.
It wasn't until a woman, who lived just North of Brecon, had a dream where she is said to have seen the exact location of where Tommy was located.
On Sunday, September 2 she and her husband borrowed a pony and small cart to travel to the Brecon Beacons, which they'd never climbed before.
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The National Trust says: "They reached the ridge below Pen y Fan and started to make their way towards the summit. It was in this open area that the body of Tommy Jones was found.
"No one could explain how the five-year-old boy had managed to reach the high location where his body was found.
"He'd climbed 1,300ft (396m) from the Login building. An inquest into Tommy’s death was held shortly after. It was determined that he’d died from exhaustion and hypothermia."
A large, inscribed, granite-stone obelisk was erected in the exact spot where Tommy's body was found, as a memorial, which is still standing to this day.
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