This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

A once-fairy tale mansion now stands in a state of disrepair.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A public work of art that also provides some relief from the summer heat.

This former railway facility is the oldest in Slovenia, and now houses a museum showcasing the history of steam locomotives.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

Apparently, Hell has waterfalls in Slovenia.

On a small Slovenian island, diners can mix and match a classic cake into dozens of sweet and savory flavor combinations.

Strange rumors surround the artist who created these solemn metal guard dogs.

A miniature train-ride through Slovenia's largest cave system.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

This grubby wall is said to be one of the Earth's esoteric energy centers.

Inside this Krakow church, an explosion of psychedelic color.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

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

Warsaw's fantastically preserved gasworks...almost.

This Polish cave has housed a dragon, a brothel, and an enduring legend.