The Radar: Underworld Maya, Terrifying Bridges, Find Your Adventurous Spirit

• Underneath Belize’s dense forests lies the entrance to the ancient Maya underworld. Take a peek at the story behind this eerie network of caverns. [Lonely Planet]
• See what the ten most terrifying bridges in the world look like. Caution: this isn’t for the faint of heart — or acrophobics! [Brainz]
• If you’re looking for more excitement in your life, you’re in the right place. Use these five tips to get into the right mindset for adventure. [Do Something Cool]

Got Radar? Follow us on Twitter @NatGeoTraveler and tag your favorite travel stories from the web #ngtradar. Check back on the blog for our roundups.