2300-year-old Roman road connecting the empire.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

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

Rome's semi-secret peephole vista is also a former Crusader stronghold.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

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

The foundation of this ancient stupa dates back to the 1st-century.

An ancient neolithic tomb that only sees the sun twice a year.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

A stunning Victorian abbey and walled garden on a lakefront.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A hugely vast Irish landscape of barren rock that stretches for miles.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

Not actually a shop, but one fan's passionate show of support for a rival county's Gaelic football team.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.