An extraordinary house museum and cabinet of curiosities in the heart of Florence.

Visit a secretive crypt before it crumbles to dust.

The ruins of a hermitage constructed during the 12th century.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

The great Danube river starts here.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

A microbiologist-chef is slinging noodles with hyperlocal Nordic ingredients.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

Roman-era ships unearthed...

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

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

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

An alchemist's "magic door" stands in the middle of a Roman park.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Southern Italy's spinning top village.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

This elaborate hole in the ground was built as a sacred site for an ancient civilization.