Andy Carroll loves uncovering historic sites that exist right under our noses, like the New York street corner where the first cell phone call was made. Now he's learned the importance that an unassuming Rita Aid store in Baltimore has to our nation's independence. Steve Hartman reports.
Thousands have joined in a real-life treasure hunt where the prize is a chest filled with gold and jewels worth possibly millions of dollars. The treasure was hidden in the Rocky Mountains by an eccentric millionaire, Forrest Fenn, who wrote a poem filled with clues. Barry Petersen meets the man behind this scramble for treasure, and some participants in the chase for a fortune.
Over the last few months, there's been a lot of talk about walls on the U.S.-Mexico border. Conor Knighton, "On The Trail" again, as part of "Sunday Morning"'s celebration of the National Park Service's centennial, takes us to Big Bend, the national park along the border whose natural walls are stunning to behold.