The narrowest street in the world is in danger of closing up entirely.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

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

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Constructed by forced laborers, this submarine pen is now a museum and war memorial.

The prototype for all Nazi concentration camps.

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

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Collapsing castle on the Hudson river was once the storage site of military surplus business.

At this farm in upstate New York, the former president plotted his reelection campaign.

An antique cemetery in New York, this land is home to any number of famed corpses.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Eclectic architecture in the woods of New York.

An unassuming nature trail winds through dozens of tiny houses built for the wee people.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

The home, museum, and death site of Kodak's influential founder.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

A beautiful final resting place with some surprising residents.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

An old dining hall now serves up ghost stories for lusty locals.