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

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

Special benches that play Chopin's music are scattered throughout his native city.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

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

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

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

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

A 20th-century picture show in 3-D.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Naturally formed rock city in Poland.

Relive a Polish uprising via an enormous, century-old cyclorama.

The silly symbol for an underground protest group is now scattered around the city.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

This skewed English house has looked like it's going to fall over for centuries.

One of England's most famous churches hides a pair of little known architectural treasures.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Where, exactly, the great aviator completed her transatlantic flight has caused some trouble in Wales.

Wooden sleds have replaced donkeys to cart goods around this utterly charming car-free village.