Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Modern design and unusual architecture make this mountaintop temple no ordinary Buddhist retreat.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

130 replicas of world wonders squeezed into just 118 acres of space.