Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

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

This misspelled graffiti reappears every time it is removed.

Real bones which are said to have belonged to a Polish dragon.

An underground city of salt.

A concrete plant shaped like four giant soldiers commemorates one of the most decisive battles of the Napoleonic Wars.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This 13th century Gothic brick castle is the largest in the world by surface area.

Boats must transform into railroad cars to navigate this Polish canal.

The two abandoned overpasses are among the largest bridges in Poland.

A memorial to the murdered Jews of Kaunas.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

The pyramid and dome deep inside the Dzūkija forest are believed to channel divine energy.

Open-air museum with a large collection of Soviet-era statues.

The first museum dedicated to exploring humanity's cultural relationship with the celestial world.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Launch site for nuclear war against Western Europe.

Lithuania's outdoor sculpture trail of wooden folk art.

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

The reconstruction of this prominent building fulfilled a long-written command.