A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This spooky statue sits outside a famous Prague theater.

Steadily reminding Czechia of its past.

Looming communist pillar with a Czech twist.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This small museum in a 17th-century building honors three iconic Scottish writers.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.

A sweet symbol marks the place where torturous executions were once carried out.

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

A fascinating insight into daily life in the Eastern Bloc.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The most visited, and possibly most controversial, museum in Germany.

Elevated freight railway turned wildly successful urban park.

France's most famous cemetery, with some of its most curious tombs.

The powerful party began with a secret meeting in this shikumen in 1921.