The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A towering monument to war, located on a beautifully peaceful hill.

This historic abandoned train station looks like a stop for ghost trains.

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

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A monument to the man who almost killed Hitler.

One of downtown Berlin's last reminders of its Communist past.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Tiny memorials honor individual victims of the Holocaust.

Cold war icon and onetime "hole" in the iron curtain.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A giant gleaming memorial named for a coal miner who gave his life to the pits.

This failed condo development was reborn as a street art hub.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

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

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Hans Christian Andersen for the postmodern world.

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