A science teacher's dream.

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

A sprawling outdoor museum filled with larger-than-life works of art.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

One of downtown Berlin's last reminders of its Communist past.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

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

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A display of magnificent stained glass windows is the first exhibit of its kind.

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

Chicago's North Park Village was once the largest municipal sanatorium in the country.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The "Little Ones," show Portugal in full miniature splendor.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.