Places scienceballer Wants to Go

A beautiful but toxic fountain of mercury.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Kyiv's answer to Muscle Beach is a Soviet-era gym made from scrap metal.

This underground transport hub doubles as an art gallery.

The deepest metro station in the world.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

Hamburgers are intensely proud of their tunnel beneath the river.

A vast and unlikely aviation museum kept alive for over 50 years due to one man's tenacity.

3,000 market stands in five former Zeppelin hangars.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

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

A memorial to the beloved brown bear that served in the Polish army during World War II.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

This man-made mound monument was built out of soil from all across the Polish empire.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

Real bones which are said to have belonged to a Polish dragon.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Communist-era residential block is one of the longest residential building in Europe.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.