Places meltingknight Wants to Go

One of the world's largest tractors was built to replace camel caravans.

A charming Spanish village sits atop this natural limestone overpass.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

The world's smallest drawbridge.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

A bronze monument to Cleveland's favorite, fastest son.

This statue of Olympic hockey coach Herb Brooks immortalizes one of the greatest moments in American sports history.

Modern commuters still pass through this 2,000-year-old Roman archway.

The northernmost international land border crossing in the United States.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

These overlooked ruins give an intimate look at the Inca Empire's urban planning prowess.

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The great Danube river starts here.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

This natural history collection contains the bones of a circus elephant that seem to be chasing a whale skeleton.

In an isolated field near a dilapidated barn stands this chilling portrayal of the plight of the Nuba peoples of Sudan.

America's "second most important bell" is a contentious spoil of the Civil War.

This classic red schoolhouse is said to have been where Mary and her little lamb went to school.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.