Ancient ruins hidden underneath a modern luxury hotel.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

Geothermal waterfalls in Tuscany.

A young Italian couple has been locked in an embrace for over 6,000 years.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

Iceland's tribute to its thankless civil servants.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

This beautiful, historic church looks like something out of a simpler past.

A sulfuric martian landscape that looks far better than it smells.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This elegant arc of a waterfall marks a religious turning point.

Rising from the sea like a stone monster.

The costumes depict the Kurent, the star character of the annual Kurentovanje festival.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This stunning concert hall has become a symbol of Iceland's national recovery.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

An early 20th-century bullring converted into a modern shopping center.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.