A ceramic postbox where visitors can post original poems and creative messages.

A small collection of objects of a bygone era hide in plain view.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

The ornate structure is part of a building boasting more marble than the Vatican.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A scattered trail of street art adds a pop of color to the city's stark structures.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

In the summer of 1957, a massive architectural exhibition showed off the future of urban living in this German neighborhood.

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

In the summer, the area around this sculpture transforms into a vibrant concert venue.

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

An artificial date palm stands as a memorial to Warsaw's Jewish community.

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

Atop this library is one of the most beautiful green spaces in Warsaw.

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

This hidden collection of everyday objects illustrates life within communist Poland.

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

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

A statue of an astronomer gazes at the sky as a tribute to Caroline Herschel.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

One of the world's heaviest musical instruments towers within a popular urban park.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.