The final resting place of the last "gypsy king" of Poland.

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

Warsaw's fantastically preserved gasworks...almost.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

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

A delightful museum entirely dedicated to the tiny homes of dolls.

A hidden art gallery in an abandoned Warsaw fort.

This colorful and quirky set of pegasus sculptures celebrate the works of poet Zbigniew Herbert.

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

A statue honors the children who fought Nazis in Poland.

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

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.

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

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

The world’s narrowest house makes for an awkward, four-foot-wide living space.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

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

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

The giant metal fruit was once the symbol of a large farm.

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

The shattered remains of the world's once tallest structure.

This open-air museum was originally a World War II testing ground for German missiles and rockets.