One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Tubing through a cave lit with glowworms is a magical underground experience.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

The only pollutant in the clear blue water is sunscreen.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Famously misunderstood wonder of the ancient world

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Pompeii's less famous neighbor is still revealing her secrets.

Italy's "New Mountain" rose from the ground in a volcanic eruption in 1538.