This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

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

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A mysterious castle built as a monument to lost love.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Town of spiritualists and mediums in Florida.

A giant 400-acre preserve in North Florida for displaced wolves.

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

The ruins of this prominent glass factory yield hidden treasures buried among the jungle floor.

A giant cat slowly prowls the parking lot of Zebulon's car dealerships.

In this pristine Ecuadorian hippie town, residents remain active well into their eighties and nineties.

Each spring this woodland floor is carpeted with purplish flowers as far as the eye can see.

CDMX's home for the world's culinary delights.

These enigmatic columns tower over the ruins of an ancient Toltec city.

The pharmacy's retro ice cream mixer is one of the last of its kind.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

A circle stone within a stone circle.

With the Wild Bunch hunted almost to extinction and the law closing in on him, Butch Cassidy fled to this remote cabin in Argentina.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

A seemingly desolate park that belongs to two countries actually supports all kinds of wildlife.