A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

These massive moving sand dunes have swallowed an entire village and are still on the run.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

The site of the first battle of World War II.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Real bones which are said to have belonged to a Polish dragon.

An underground city of salt.

A statue honors the children who fought Nazis in Poland.

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

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

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.

Paranormal activity on the great lakes.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

The first artificial white water river course in North America cuts right through an Indiana city.

A mini Wrigley Field for mini baseball players.

A river with some unusual, and occasionally dangerous, habits.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.