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

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

Over time, this castle grew to encompass the entire island.

These traffic lights celebrate the 100 year anniversary of the women's suffrage movement in Lithuania.

An abandoned masterpiece of Soviet Brutalist architecture.

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

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

This magnificent Art Deco church is a reflection of Lithuania’s turbulent history.

The enormous isokinetic structure hangs within a science center in Estonia.

First point in the Struve Geodetic Arc, a 19th century undertaking to measure the Earth's size and shape.

A historic scientific breakthrough that crosses nine borders.

For the last century, this international border within a small town has appeared and disappeared various times.

The Guardian of Tallinn.

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

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

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

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

A preserved oak tree about 3,500 years old found in Riga, Latvia.

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

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

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.

A 15-foot-tall statue of the head of the Sopranos family greets passengers at a train station in southeastern Lithuania.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.