Cool off in a historic swimming hole, then savor the charm of a slow-paced Ohio town. Some places never lose their magic.

Shawn Mendes brought out Niall Horan at his show in London for a surprise duet of "This Town." "I'll remember this for a long ...

Last year, Mendes made a surprise appearance to perform "Treat You Better" during Horan's headlining show in London ...