A prison tower–like edifice honoring a beloved local benefactor.

A domino effect created with Britain’s iconic telephone boxes.

Scotland's first Masonic lodge may also be the oldest in the world.

This 15th-century structure had a long, tortuous journey to its current location.

A sculpture in a secluded garden honors one of Edinburgh's most innovative thinkers and city planners.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

A quartet of brightly colored mythical beasts stand sentry at this gateway.

Inside this home, the Icelandic national anthem was born.

These wooden pipes were crucial to providing water to Medieval Edinburgh.

A plaque is all that remains of a lost Oxford transport hub.

A hidden plaque is the only reminder of the lost palace where two storied English kings were born.

The location of a citizen uprising that led to a gruesome act of mob justice.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Reminders of the Battle of Berlin still scar the railway.

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

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

A monument to the man who almost killed Hitler.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

A self-funded cemetery with a long list of inhabitants.