An ancient Viking runestone hidden in plain view in Stockholm's old town.

It houses the remains of a 17th-century version of the Titanic.

This floating sculpture of ice is a poignant reminder of nature's power.

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

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

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A lovely biographical museum in the artist's home of 24 years.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Climb inside an iron crystal magnified 165 billion times its normal size.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

This spooky statue sits outside a famous Prague theater.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Walk through Czech history in Prague's largest graveyard.

Macabre astrological automaton clock dating to the late 1400s.

Go surfing on this urban wave, "hacked" by local surfers.

The footprint of a frustrated devil in Munich's Cathedral.

Once home to some 250,000 volumes and priceless art artifacts, this Polish estate was a target of bombing during World War II.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

The reconstruction of this prominent building fulfilled a long-written command.