When you've got to go, you've got to go.

This derelict superstructure was a very important warning system for the Soviet military.

This narrow fjord-like bay is the largest ria in the Mediterranean Sea.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

Go surfing on this urban wave, "hacked" by local surfers.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This Transylvanian church has changed its denomination four times.

A narrow strip of land is home to the tallest migrating dunes in Europe.

Lithuania's outdoor sculpture trail of wooden folk art.

A WWII museum that tries to reenact history.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

Rent a barrel for a personal view of where the Baltic Sea meets the Gulf of Riga.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

The world's first invisible city square is an homage to a man who pushed the boundaries of art.

Built to transport German U-boats through the never-completed Masurian Canal, the locks near this Polish village are now home to a rope course.

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

The oldest housing complex in Riga is a mini timeline of architectural trends.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

These crumbling Latvian forts make for some haunting seaside ruins.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.