Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Trek through the jungle on a boat and a swinging bridge and you'll be rewarded with these refreshing, if pungent, mineral pools.

The enigmatic and seldom visited ruins of a Mayan city-state.

Catch a glimpse of local, native wildlife at this zoo dedicated to conservation and education.

This Toronto garden collects stares and tchotchkes in equal measure.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

A mysterious lake provides fresh water without any source, somehow restoring itself from atop its mountaintop perch.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.