A Beaux-Arts triumph set to become Ford's innovation campus

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The glowing blue Nymphaeum of Emperor Tiberius.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Stalactites and stalagmites in a beautifully lit cave.

These spooky and unusual stone formations create an underworldly landscape.

A stunning silver lining to global warming's gloomy cloud.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

Ride a dragon train into a world of dwarves.

Northern Ireland's Brobdingnagian stepping stones.

The inscribed stone at Kilnasaggart is a remnant from nearly a millennium ago.

Naturally formed rock city in Poland.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A saintly relic hidden in a Prague church basement.

This classic restaurant features a gorgeous mirror-clad room.

A slice of central Asia in the middle of Berlin.

A collection of abandoned typographic signs from Berlin and beyond.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A small man-controlled waterfall powers an Art Nouveau elevator and is accessed via narrow gauge, solar-powered tramway.

A meteorite-bounded town in Bavaria.

Super-heavy Nazi architectural experiment.

Puppet theater and museum holding a collection of more than 300.