A massive sea stack famous for its appearance in The Goonies.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

Where once there was a train station bathroom, there is now this German burger joint.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

An abandoned logging settlement nestled in the woods near a popular ski town.

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

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

Sofia's legislative center is continuously reinventing itself.

Eastern Bloc nostalgia, anybody?

"Holy Wisdom" overlooks the city that became its namesake.

A vast Communist-era exhibition space in the Bulgarian capital.

A striking symbol of the Bulgarian capital.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

Surprisingly Delicious Asian-Style Hot Dogs.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

Stroll through a wonderland of stupendous moss-covered trees.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

Is there such thing as too many fruit bats? Not anymore.

The unusual sculptures are believed to be powerful political symbols.

A slice of central Asia in the middle of Berlin.

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