One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

Island wonderland for communist autocrats.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.