This unreal Portuguese palace looks as though it's made from a pile of different castles.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

When you're a great Russian Tsar, even your vomit gets a statue.

This charming, hidden guild museum holds some 700 years of crossbow history.

This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

A lasting remnant of The Blitz.

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

A plain wooden seat that once belonged to one of the most prominent figures of the Protestant Reformation.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Paris' linguistic guide to the international language of, yes, love.

Designed by Gustave Eiffel before his famed tower.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A man throwing a giant severed hand towers over Antwerp’s main square.

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

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

One of the world's steepest streets seems to have houses sliding down it.

This restaurant's specialty is "a major enigma for food historians."

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

For more than half a millennia, this automaton has rung an hourly bell.