This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The ghostly remains of an accidental sea.

Enormous lake at the bottom of a unique cave system.

The rocks in this arid basin leave trails of movement behind them.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Medical and zoological curiosities for sale.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A bizarre house filled with an astounding array of collections.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

The legendary building that needed ghostly approval before being built.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Dramatic river bend surrounds a natural red-rocked pedestal.