The former Mexican president kept the bullets that killed his predecessor on display in his home, now a museum.

This honeycomb-textured tafone looks like a petrified troll head.

Witness traditional silk production in the Uzbek city that's been a hub of sericulture for over a thousand years.

Though it was heavily modified, fragments of the original medieval cathedral still survive.

An engineering marvel at the time of its construction, this cross-border waterway sought to connect the Black Sea to the Baltic.