An archway adorned with vulnerable flora and fauna.

Healing waters from a holy well, previously used by locals for doing laundry.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

Near the site where the English Archbishop was born, you can find an emblem in the shape of a pilgrim's badge.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

This vessel is the final ocean-going paddle steamer in the world.

Three tiny islands in a Portsmouth pond are at the center of disputed land claims from a number of competing micronations.

Despite the name, this ancient piece of crystal may not have been a lens at all.

The author of Frankenstein is buried here, along with her parents and the heart of her husband, the poet Percy Bysshe Shelley.

With a design inspired by traditional Latvian textiles, this monument honors the Latvian people who suffered under Soviet occupation.

A monument to the grand synagogue that stood in this space before Nazis burned it down.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

Often mistaken as a medieval Gothic monument, this unique cornerstone only dates back to the 1980s.

A monument commemorating the 852 lives lost in the sinking of the MS Estonia.

A map store filled with original Cold War era Russian maps of the world.

The mirrored section takes the shape of Hebrew characters when viewed from above.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This man-made mound monument was built out of soil from all across the Polish empire.

An underground city of salt.

A memorial to the beloved brown bear that served in the Polish army during World War II.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

A Soviet era flat that refused to conform to the dull gray standards.