This chimerical bridge/tunnel appears to dead end right into the sea.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The largest fountain in Bratislava.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

Real bones which are said to have belonged to a Polish dragon.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The modern birthplace of Irish freedom.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The ruined doorway is a portal to the building's turbulent and torturous past.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

Where commuters walk through remnants of an ancient Greek necropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A serious museum dedicated to two German comedians.

Fantastic views and thousands of love locks.

A fearsome dragon clings to a corner of Munich's city hall.