Sea glass can be beautiful and free keepsake from a beach visit, great for displaying or crafting. Here's where to look in ...

NPR goes on a coast-to-coast hunt for treasure hiding in plain sight. Learn about sea glass and how to find it.

Sea glass can be beautiful and free keepsake from a beach visit, great for displaying or crafting. Here's where to look in Delaware.

Sea glass can be beautiful and free keepsake from a beach visit, great for displaying or crafting. Here's where to look in Delaware.

Sea glass can be beautiful and free keepsake from a beach visit, great for displaying or crafting. Here's where to look in Delaware.

Sea glass can be beautiful and free keepsake from a beach visit, great for displaying or crafting. Here's where to look in Delaware.

The Billionaires Row property has an exclusive thoroughfare that leads to a cabana on the shores of the Atlantic.

Explore Sawyers Beach in Rye, NH, a hidden gem for sea glass enthusiasts! Enjoy the scenic views while searching for colorful treasures along the shore.

It's always a thrill finding beautiful gem-like pieces of sea glass while strolling along the beach. Here are the best places to look for it.

Blue can be a lovely shade, but it isn't everyone's favorite. If most coastal design inspiration gives you the blues, check ...