Places rigor Wants to Go

The shell of a medieval fortress offers commanding views of the area it once protected.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

Visitors dip into a variety of pools of what was once ice.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

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

Austria's very first and only nuclear power station was completed but never used.

A university observatory dome painted to resemble the beloved 'Star Wars' droid.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.

This towering statue of Jesus provided internet to the surrounding area.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This man-made mound monument was built out of soil from all across the Polish empire.

An underground city of salt.

One of the largest amphitheaters in Europe is a former Nazi German gathering place that still stands today.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

This mysterious and once-grand memorial still embodies a remarkable architectural vision.

This fairytale medieval church in Poland originally spent centuries in Norway.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

A tiny church on a man-made island in the Adriatic.

A curious cave church carved into the face of a cliff.

A flamboyant five-story building in Bulgaria resembles a crawling snail.