A tree grown from astronaut seeds which were exposed to cosmic rays.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

Every week, a festive public jam session breaks out in downtown Asheville.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

"I did this all while you were watching TV."

These aggressively sustainable art homes look like something out of 1970's science fiction.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

A frozen oasis lies beneath the scorching New Mexico desert.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."