A statue honors the children who fought Nazis in Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Mysterious craters may have been home to an ancient cult.

A former imperial sea-fortress and Soviet prison.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The Guardian of Tallinn.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

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

3,000 market stands in five former Zeppelin hangars.

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

Lithuania's outdoor sculpture trail of wooden folk art.

Flamboyant architecture from the turn of 20th century.

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

A black cat protests the City Guild in Riga's Old Town.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

Launch site for nuclear war against Western Europe.

This micro-nation may be some sort of prank, but its constitution sure seems official.

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

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

Ever-growing collection of devils in art.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

One of the world's tallest statues is also one of its most hated.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.