This giant middle finger statue sends an unambiguous message to Italy's bankers.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A subterranean shelter remains intact under a busy Paris railway station.

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

The very center of Paris is surrounded by a bevy of strange good luck rituals.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

A beautiful discovery site of prehistoric burials.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This workshop and small museum is dedicated to tiny, delicate figurines that began as a subversive craft after the French Revolution.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A fascinating insight into daily life in the Eastern Bloc.

A 2,000-year-old wine press hidden in an overlooked park in Tel Aviv.

The most peaceful "country" in the Middle East.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.