The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Abandoned railway line circling the city of Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

A collection of old neon signs from all over Poland line a secluded courtyard.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

Tallest - but not most powerful - wind turbine in the world.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

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

One of the world's first dedicated bank buildings in the world is now the oldest one.

The tunnel that runs beneath this former inn was once a hiding place for enslaved people seeking freedom.

This 13th century Gothic brick castle is the largest in the world by surface area.

Featured in one of the most iconic scenes in cinema history.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Inside this Jewish cemetery is a memorial to soldiers who deserted the German army and were executed.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

This museum explores the tumultuous history of Lviv under Nazi and Soviet occupation.

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

A unique museum dedicated to culture and artistry of carpet weaving.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.