Go inside to really appreciate this 500-year-old technological masterpiece.

Pilgrimage site for star-crossed lovers.

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

Ancient snack bar of the Roman Empire re-opened.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

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

The celebrated eyesore created by starry-eyed sweethearts.

London's old-school healing garden.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Raised illegally, Reggie now lives at the Los Angeles Zoo after authorities spent years tracking him down.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

One of the world's largest collections of rare and magnificent bird specimens.