An abandoned NSA listening post on Berlin's "Devil's Mountain."

A fascinating community art piece created by students, teachers, and noted Philadelphia artist Isaiah Zagar.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

This large cemetery is known as the museum of granite sculptures.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

These planks were originally installed to hold the dead.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

Famously misunderstood wonder of the ancient world

The oldest working mechanical clock in the world.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.