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

Inside this Krakow church, an explosion of psychedelic color.

Legend holds that this knife serves as a chilling reminder of the deadly rivalry between two local builder brothers.

Remnants from a time before electricity.

Krakow's own version of the Hollywood Walk of Fame.

Seven dragon statues—including one that breathes real fire—are scattered throughout the streets of Krakow.

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

This airport currywurst stand is made out of retro airplane parts.

This working class sculpture pounds his hammer all the livelong day.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

This historic bridge connects Whidbey Island to Fidalgo Island across whirlpool-filled waters.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

Deep into the lower floors of Pike Place, find a date with fowl fate.

Founded in 1961, this comic shop is said to be the oldest in the world.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

It holds a fabulously designed tribute to astronomer Edmond Halley.

At almost 1,000 years old, this is the oldest known door in all of Britain.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.