A plaque marks the former home of Käthe Paulus, an aerial acrobat who invented the modern folding parachute.

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

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

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

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

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

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.

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 narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Visit a sweet shop selling one of the first candies ever made and sold in America.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The only structure left with direct ties to the Salem witchcraft trials of 1692.

No one knows how many bodies are in this vault in a Chicago public park.

These pretty kitties killed and ate as many as 135 railway workers.

A hot dog stand where the heads are just as hot as the dogs.

The beloved home to all publications indie, erotic, and punky.

A Bibliophile's Dream.