The notorious headquarters of a corrupt political machine.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

This high desert botanical garden is a unique display of New Mexico’s ecology and culture.

The final resting place of the great navigator, or maybe his brother.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Paranormal activity on the great lakes.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

The largest retailer of seashells in the world.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

The ritual has been performed uninterrupted for nearly 700 years.

Commemorating the spot where the famous scientist fed his pigeons.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

This historic patch of real estate offers a glimpse of colonial Boston.

Home to a protest movement, a bombing, and a dramatic change in labor history.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

An enormous illuminated figure dances on the Las Vegas strip.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.