Virgil's many-mouthed gateway to the underworld.

The final resting place of the poets Shelley and Keats.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

Climb inside an iron crystal magnified 165 billion times its normal size.

This one-time health resort was used by aristocrats around the world.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A little sculpture with a large wardrobe.

The fairy tale castle of the "fairy-tale king."

The prototype for all Nazi concentration camps.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

Macabre astrological automaton clock dating to the late 1400s.

A massive underwater sinkhole made famous by Jacques Cousteau.

An isolated dive site teeming with cnidarians.