This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The first permanent memorial to a unique secret weapon of World War II.

Once a year, at exactly 11:11 a.m., this monument comes to life.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

Antiques by the Bay.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A close look reveals that the Scottish monument is just slightly off-kilter.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

Largest lake in Great Britain measured by surface area.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A stunning Victorian abbey and walled garden on a lakefront.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A naturally mummified 2,000-year-old man.