This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

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

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

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

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

Inside this old mill is a collection of images that will always remain frozen in time.

A failed piece of Orientalism has become the proud symbol of a community.

This rare polygonal meeting house is rumored to be built in a circle so that the devil has nowhere to hide.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

"Where the ducks walk on fish."

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

A pair of black granite tails dive into a sea of grass in landlocked Vermont.

A toxic ghost town sitting atop a massive coal fire.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Maine’s only official memorial to the Underground Railroad.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

This museum explores the history of policing and is also home to a very popular taxidermied duck.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

A stunning two-story timepiece within a medieval Brick Gothic church.