Dean-Bailey, who is on our list of this year's most exciting young thinkers, was the youngest Republican woman to be elected to the New Hampshire House of Representatives.
Jharia, India: An underground fire, which locals say first started in an abandoned mine here in 1916, still burns as workers tap the remaining supply of coal.
"If I can one day visit a place and say that I helped make it a more livable and beautiful place, I'll be happy," says Chen, who's on our list of this year's most exciting young thinkers.