An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

When the rain falls, this drain system turns into a musical instrument.

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

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

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Launch site for nuclear war against Western Europe.

Ever-growing collection of devils in art.

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

The oldest funicular in Lithuania has been climbing this steep hill since 1931.

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

A memorial to the murdered Jews of Kaunas.

Lithuania's outdoor sculpture trail of wooden folk art.

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

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

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

The widest waterfall in Europe is a natural wonder and one of the only places where fish are caught in the air.

Flamboyant architecture from the turn of 20th century.

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

3,000 market stands in five former Zeppelin hangars.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.