The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

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

One of the world's largest collections of medieval religious art.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

The last king of Poland was interred in this church nearly 200 years after his death.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

This bell stars in a tragic love tale and is said to make wishes come true.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A heavily politicized roundabout discussing the state of a heavily politicized country.

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.

Hundreds of notes give thanks to the patron saint of lost causes.

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

The former Field Marshall and Minister of War to the Russian Imperial Army.

The reconstruction of this prominent building fulfilled a long-written command.

A black cat protests the City Guild in Riga's Old Town.

The oldest housing complex in Riga is a mini timeline of architectural trends.

This enigmatic artifact remained buried in a churchyard for years.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This museum inside Amsterdam's largest cemetery explores how people deal with death.