Legend has it this spring formed at the spot where a medieval Swedish king was killed.

A rare rune stone dedicated to a woman.

The first thermometer made with the almost-universal temperature scale is backwards.

The second oldest anatomical theater is housed in a museum of curiosities.

The final resting place of the father of modern biological taxonomy.

A large collection of ancient runestones decorates this university courtyard.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Tiny memorials honor individual victims of the Holocaust.

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

Cold war icon and onetime "hole" in the iron curtain.

This statue points to another unusual companion work of art often overlooked by visitors.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

The largest fountain in Bratislava.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

War-ravaged ruins of a Benedictine monastery founded in the early 12th century, later rebuilt into a fortress.

After 11 years of reconstruction work, Slovakia's finest hilltop chapel complex is finally reopen to the public.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."