This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

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

Pompeii's less famous neighbor is still revealing her secrets.

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

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This luxury shopping lane has been protected by its own tiny police force for over a century.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Pop culture has helped to keep this iconic British building from being destroyed.

Giant, friendly pelicans in Central London, the most unlikely of places.

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

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A cluttered and astounding collection of antiquities and curiosities.

A valley of unique erosion patterns lends to a view like nothing on Earth.

Museum dedicated to the sacred leaf of the Andes.

This snug medieval lane is one of the narrowest streets in the world.

The growing stones of Romania.

Romania's only crater lake with water as pure as if distilled.

A muddy alien landscape that is home to rare species of exotic plants.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Huge stone depressions which may have acted as an Incan agricultural experiment.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.