This Iron Age hill fort remained hidden until a series of storms revealed its history.

Fortifications built for a Soviet invasion that never came now sit abandoned in a losing battle against nature.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This ancient sword lay in a waterlogged tomb for 2,500 years, but managed to remain relatively untarnished and impressively sharp.

This ancient settlement contains some of the largest earthen mounds in North America.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

This large, circular tomb is the final resting place of the first emperor of Rome.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

This mountain trail inspired Nietzsche to complete his magnum opus.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

This mysterious Bronze Age standing stone has become a place where couples profess their love.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This precariously perched fortress was once ruled by a crow-worshipping baron.

A measuring mishap led to these artificial stone ladies losing their stomachs.

This mesmerizing medieval monastery-cave complex sits thousands of feet above ground overlooking a valley.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

An oil drilling mistake created this fountain that has been spraying water for over 150 years.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

Rare recess caves fill this unbelievably beautiful Ohio park.