Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

England's "pier at the end of the universe" unites astronomy and contemporary architecture.

Ruins of a late 1950s Polish ski jump ramp in the middle of the city.

This extensive collection covers thousands of years of Polish military history.

Special benches that play Chopin's music are scattered throughout his native city.

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

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

A delightful museum entirely dedicated to the tiny homes of dolls.

One of the world's largest collections of medieval religious art.

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

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

This hidden collection of everyday objects illustrates life within communist Poland.

A 20th-century picture show in 3-D.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

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

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A national collection of Communist-era musical posters.

A hidden art gallery in an abandoned Warsaw fort.

Warsaw's fantastically preserved gasworks...almost.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This legendary city has been a tourist attraction for centuries.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.