The location of Puerto Rico's first water bottling plant, thanks to a collaboration between Mother Nature and technology.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

The remnants of an early American attempt at missile defense.

This former luxury resort in Kaua'i is now an abandoned relic.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

A haunting theme park is slowly being swallowed by the jungle.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

Surreal riveted sea forts once protected the Kent shores from German attack.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A deserted hodgepodge of experimental structures designed by nearby university students.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

This abandoned Antarctic research station is a Soviet ghost frozen in time.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

An abandoned outdoor movie theater in the Sinai desert.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

Visit this playground of waterfalls, caves and sinkholes.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.