Ancient snack bar of the Roman Empire re-opened.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A submerged archeological park still holds the wonders of a Roman Sodom.

A little sculpture with a large wardrobe.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The beautiful baroque library of the Hapsburg empire.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

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

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Eighty million natural history specimens call this gargantuan museum home.