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

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

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

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

This street has over a half-dozen names, all at once.

It's the only museum of its kind in Ukraine.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

This hill is known for its connection to the occult in Slavic tradition.

When you've got to go, you've got to go.

This Estonian watchtower looks like a big tree with two giant bird nests on it, complete with a "golden egg."

A quirky collection flush with information on commode culture from ancient times to modern day.

An Art Nouveau building covered in animal gargoyles and grotesques.

Kyiv's answer to Muscle Beach is a Soviet-era gym made from scrap metal.

The deepest metro station in the world.

A collection of miniature, symbolic sculptures hides in plain sight across Kyiv.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Illegal drag racing two stories beneath Chicago’s streets.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

This sprawling, formerly elite sporting complex in Amman, Jordan has become a local picnic spot.

The 20th-century archaeologist was interred among the ruins of an ancient Roman city.