Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

In a tower at this centuries-old castle, members of a noble family were imprisoned and left to starve.

Inside the small garden of two mid-century apartment buildings stands a centuries-old bell tower, separated from its original church and hidden from view.

An eclectic collection of highly specialized bicycles once used by artisans for their specific needs.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

Built as a defensive structure, this medieval walkway road offers a unique view of the village of Brisighella.

All that is left of this medieval castle is two towers, both of which now display a visible tilt.

A medieval tower with a suspended iron cage used as an open-air jail for criminals who were exposed as a warning.

See what remains of a once grand ancient Roman circus.

The ruins of a rural church and a statue of Archangel Gabriel are tucked away in Majella National Park.

The ruins of this temple were later chosen by Pope Celestine V to found an abbey and a hermitage.

This ancient Roman bridge was a key feature of the ancient Via Salaria road.

Packed with geological formations, an ancient river, and taxidermied seals, this overlooked coastal cave system is worth a spelunk.

Europe's only Temple of Mithras located in a natural cave.

This Roman theater was crafted into the local tuff rock and was rediscovered during the 19th-century.

Knights Templar are visible inside this stunning Cistercian abbey.

One of the four sanctuaries of Rieti's Holy Valley was the site of the first living nativity scene.

The hilltop town of Segni was once home to an ancient Roman colony and garrison.

An impressive bridge over a ravine also served as an aqueduct.

After World War II, this former concentration camp in Northern Italy became a refuge for those displaced by the war.

A rare example of an octagonal Catholic church.