Flying Squirrel Ninja Academy hopes to open its doors by the end of March. The youth ninja training gym is building its home in the former UP Fun with Friends space on US-41. Inspired by the show ...

Warped walls, swivel steps, hanging grips: the obstacles are unconventional, but the lessons—for both kids and adults—are universal, at Richmond’s own ninja gym, Traverse Fitness.

If you’ve got a kid who likes to jump, climb, and move like crazy, then consider these ninja warrior and parkour gyms in ...