Imagine you're invited to the beach, but you're hesitant. Sure, it could be fun in the sun, but the thought of the vastness of the ocean makes you anxious. What could be out there in the waves? How deep is it? What's the visibility in the water? Did you really need to watch Jaws and OD on Shark Week? Congratulations! You might have thalassophobia, which is an intense and persistent fear of the sea. This can include a fear of the ocean, fear of being in a large body of water, fear of the vast emptiness of the sea, or simply fear of being too far from land.

Fear of water is nothing to be ashamed of; plenty of people have thalassophobia. Are you really afflicted? A good test would be to scroll through the pictures below and vote up the ones that make you want to climb to the highest mountain, book that desert vacation you've been thinking about, or move to a landlocked state.

What presses your panic button: the large ocean creatures, the murky water, the ghostly shipwrecks, or all of it? Take the plunge into the scary depths of thalassophobia and discover which photos have people screaming for dry land. Vote up the photos that are the scariest, the most unnerving, and the all-out creepiest.