Peer into this window for an interesting glimpse into the public utilities that make this city run.

This gnome sculpture and his wonderous hat forces train passengers to do a double-take.

The train engine is tucked under an apartment building on a quiet Tokyo street.

Unbeknownst to most passersby, this marble statue standing outside an office building is a genuine piece of second-century Rome.

This water goblin statue represents a 19th-century urban legend about a haunted canal that became a Japanese idiom.

Shrine to Japanese water-goblins, complete with their preserved body parts.

A wall of chewing gum moonlights as collective art.

A giant Troll lurks under one of Seattle's oldest bridges.

A walk through the historic city center, under the streets of Seattle.

Theme park featuring miniature replicas of European monuments.

A little sculpture with a large wardrobe.

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

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

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

The Guardian of Tallinn.

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

Ship-sized kinetic sculptural fantasy.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

Be(w)ar(e) the moat around this historic Czech castle.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.