An architect transformed this abandoned cement factory into his castle-like workshop.

This lake in northwest Iran has started turning from green to red more frequently than scientists are comfortable with.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.

A perilous medieval road leading right into the sea.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

Enormous sandstone towers loom within a Czech forest.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

The laboratory where the Soviet secret police invented exotic poisons used to kill dissidents in hideous and (mostly) untraceable ways.