Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

Lithuania's outdoor sculpture trail of wooden folk art.

A memorial to the murdered Jews of Kaunas.

A fascinating insight into daily life in the Eastern Bloc.

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

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

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

A monument to the man who almost killed Hitler.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

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

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

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

Metro station with a claim to rock n' roll fame.

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

A restaurant and observation deck built in a unique broadcasting antenna.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

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

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

A giant Troll lurks under one of Seattle's oldest bridges.

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.