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

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

Home to more than 13,000 pieces of war memorabilia and military equipment.

One man's lifetime collection of tiny objects of wisdom gathered from around the world, on display for public enjoyment.

Various forms of phallic art decorate this hill in commemoration of legendary local tragedy.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

Plenty of old carney magic still haunts this photogenic amusement park.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

This museum in the tower of the oldest church in Gdańsk, is home to centuries-old time-keeping devices and the world's first pulsar clock.

This bell stars in a tragic love tale and is said to make wishes come true.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

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

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

Hundreds of notes give thanks to the patron saint of lost causes.

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.

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

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

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