A sprawling maze of used books piled from floor to ceiling.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Jacksonville's highways rendered this century-old grammar school unusable.

Carved faces add a touch of magic to this island's impressive oak trees.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

This airfield is home to a number of retired vintage planes in various states of disrepair.

A vast collection of everyday items amassed by one man.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

This labyrinthine resting place of Black American leaders has been reclaimed by nature.

The resting place of a Civil War celebrity's amputated limb.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

These abandoned country fairgrounds are filled with replicas of Spanish monuments.

An eerie collection of the surviving structures from a past celebration of the future.

The world's largest wooden structure.

Spain's largest bullring offers a unique glimpse at architecture and history.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

Spain's stunning solar energy plant.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

In a time before lifeguards, this house was a sanctuary for the shipwrecked.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.