A unique rock formation that only a few have managed to venture inside.

The final resting place of one of Germany's most accomplished Renaissance men.

The highest bridge in America was built for an almost unnervingly small amount of money.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.