Europe's Gaia telescope has dropped its latest batch of data as it seeks to assemble the largest catalogue of light sources in the sky. It is becoming a discovery machine like no other.

If you want to unlock more features-like downloading offline maps or live-sharing your hike-the paid version is $35.99 per year. The premium version of Gaia is an admittedly pricey $60 per year ...

Download National Geographic's Trails Illustrated map to your phone with the Gaia GPS app, or order the waterproof and tearproof printed map to guide your adventure.

Gaia is an app that stands apart from the crowded navigation space, offering drivers an alternative to the native Google Maps app and Waze, which provide navigation across conventional routes.