Once a path for Jewish funeral processions, this unassuming alleyway is rich in local lore.

For more than 170 years, this family-run bakery has been serving Berlin’s best Baumkuchen, or “tree cake.”

A historic fire call point.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

Berlin's old airport.

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

A monument to the man who almost killed Hitler.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Tiny memorials honor individual victims of the Holocaust.

Largely overlooked, this little fountain on Museum Island is a whimsical tribute to a Prussian king nicknamed the “Fatty Flounder.”

A slice of central Asia in the middle of Berlin.

This curious sculpture represents the perseverance needed to take to the skies.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

This 400-year-old tree is actually an immigrant from North America.

The location of this small park was once the site of an infamous public morgue.

This Roman relic was discovered in Scotland by a mudlarking ferryman.

This early version of the guillotine was used to execute the man responsible for its construction.

These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.