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

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

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

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.

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

These plaques located in a court preserve a small piece of Edinburgh's history.

This artificial lake surrounded by Brutalist architecture served as a stand-in for futuristic Britain in Stanley Kubrick's 'A Clockwork Orange.'

A fascinating insight into daily life in the Eastern Bloc.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

This concrete residential area doubles as an open-air gallery.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

A set of seven houses, each built in a style that represents a European country.

Built by George III to observe the transit of Venus, this Georgian gem is a unique survivor in the Arcadian landscape of Richmond upon Thames.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

This inn of the court provides a fascinating window into London’s legal and architectural history.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

This ancient holy well is older than much of the city that surrounds it.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

A 12th-century fortress containing some of Berlin's oldest buildings.