Virgil's many-mouthed gateway to the underworld.

Ancient snack bar of the Roman Empire re-opened.

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

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

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The final resting place of the poets Shelley and Keats.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

A sculpture serving as an homage to Pope John Paul II.

A Nesting Doll of Churches.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

Outsider art meets hard scrabble mountain life in this woodcarver's home/art piece.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Strange physical sensations and optical contradictions keep visitors coming back for more.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This replica of the Greek structure is in the heart of Nashville.

A submerged archeological park still holds the wonders of a Roman Sodom.