Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

This cheeky restaurant has a serious devotion to lard sculptures.

A clerical error gave rise to this imaginary micronation in the southwestern corner of Estonia.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Eighty million natural history specimens call this gargantuan museum home.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A hidden three-foot-wide house separates these two regal churches.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

A hands-on traveling collection of the innovative devices of yesteryear.

New York City's smallest piece of private property.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Elevated freight railway turned wildly successful urban park.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

A small granite monument marks where the borders of three countries meet.

You can cross from one country to another in a single hop on this little bridge.

Because sometimes the most efficient route from A to B isn't a straight line.

A walkable map of the world, made from soil and stone by one man.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.