This striking structure is the Socialist-modernist centerpiece of a former Soviet spa resort.

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

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

This statue is dedicated to the animal cosmonauts that perished during space flight experiments.

This Latvian shot factory is still used twice a year to manufacture bullets the old-fashioned way.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

The world's newest astronomical clock is also its most accurate.

A perfectly preserved hill village where the buildings are painted like white lace.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A national collection of Communist-era musical posters.

This ruined castle perched atop a rocky peak is a great place for a hike.

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

The 14th-century ruins are said to contain healing powers.

Massive installation of Europe's negative stereotypes.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

Where a Japanese government official issued transit visas to Jews fleeing from Nazi-occupied Poland.

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

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

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