new york city travel advice

Landmarks are always favorite vacation destinations. Tourists flock from all over to get a first-hand experience of what they've read in history books. But what you might not know is that some of America's best known landmarks hide secrets.

If it's a trip to Stone Mountain or a tour of Edgar Allan Poe's Philadelphia home, we've got the inside story that they probably won't tell you on the official tours. From "energy vortexes" (pictured above) around Montezuma's Castle to UFO sightings in the Cascade Mountains, there's some strange stuff going on in our country.

So do yourself a favor and read on for the real secrets behind some of America's favorite landmarks. First Up: Mount Rushmore