A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

Iconic pyramid from famed British architect Norman Foster designed to represent all of the world's religious faiths.

One man's desire to transcend art led to the construction of this outsider chapel.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

Inside this Krakow church, an explosion of psychedelic color.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

Boats must transform into railroad cars to navigate this Polish canal.

Warsaw's fantastically preserved gasworks...almost.

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.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

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

An underground city of salt.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

A historic neighborhood church is reborn as a psychedelic arts collective.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Rub it for a bit of good luck.

A miraculous three-handed portrait of a saint can be found inside this church.

Described as one of the Baltic region’s most daring and original construction projects.