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

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

Old Danish castle immortalized in Shakespeare's Hamlet.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A particularly disconcerting tribute to Irish martyrs.

A living art gallery painted on a canvas of Monterey pine trees.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

One of Europe's largest supercomputers is housed inside of a disused chapel.

The oldest Roman lighthouse still in use.

Giant granite sculptures representing family on the northern coast of Spain.

The remains of an encyclopedic sculpture garden later used as an internment camp.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.