Part ski resort, part modern art space, this lodge brings giant metal spiders and bloody doors to the Austrian Alps.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Staves, storm-calling, and of course, necropants.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

Inside this Krakow church, an explosion of psychedelic color.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

A memorial to the beloved brown bear that served in the Polish army during World War II.

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

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

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

Learn the fine art of making a centuries-old treat at this hands-on food museum.

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.

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

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

The world's first combination ski slope and power plant.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Copenhagen's celebrated theme park and gardens.