Britain's only herd of free-ranging reindeer.

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

This curious, round temple is the oldest still-standing marble building in Rome.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

The final resting place of the poets Shelley and Keats.

2300-year-old Roman road connecting the empire.

A 16th-century horror show built in a lovely Italian garden.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

This 16th-century monastery has been turned into a surrealist architecture compound.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

Famous landmarks and structures from across Italy fill this miniature park.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

100 year tradition of fist fights, marked by marble footsteps.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

In Lago Superiore, the largest expanse of lotus flowers outside of Asia is hard to miss.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.