Taking the subway here means doing so over a bridge located in the middle of an estuary.

Ancient serpentine sacrifice holder that has stood the test of time.

A fountain standing as a testament to a doomed alliance.

The most metal church of all time was built in record time because of an international, pious pissing contest.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

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

Cold war icon and onetime "hole" in the iron curtain.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

Be on the lookout for the symbolic insect all over the city.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

This tiny watering hole claims to have the smallest bar counter in Europe.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This hill is all that remains of Cambridge’s former castle.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

These 19th-century gas tanks were remade into an apartment complex.

This pub can leave even the sober feeling slightly unsteady.

One of the oldest suspension bridges in the world blends in perfectly with a medieval castle.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

A serene memorial that honors the adventurous spirits of climbers who lost their lives in the High Tatras.