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.

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

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

Countless grotesque faces stare out from this eerie Prague art wall.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

The oldest garden in Prague, once part of an medieval orchard.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This artificial cave looks like something out of a fairytale.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

Iconic rock formations that allow for exploration during high or low tide.

A historic Montreal market that was the city's agricultural hub for over century.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.