Giant marble phalluses on the sacred island of antiquity.

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

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

Real bones which are said to have belonged to a Polish dragon.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A 20th-century picture show in 3-D.

Ever-growing collection of devils in art.

The Guardian of Tallinn.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A subterranean house of worship carved right out of the bedrock.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Tens of thousands of tiny bottles stuffed with various items.

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 stunning concert hall has become a symbol of Iceland's national recovery.

This tiny museum's sizable collection is jammed into a former underground public toilet.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Venice's island of the dead.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Go inside to really appreciate this 500-year-old technological masterpiece.