Hear the quietest sound from across the dome.

Public access to clean drinking water was an instant hit among the masses.

This historic London residence was once the womb of Scientology.

A hands-off space for graffiti artists to hone and display their skills.

A cluttered and astounding collection of antiquities and curiosities.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

London's smallest police station is barely the size of a phone booth.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

Venice's island of the dead.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

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

The celebrated eyesore created by starry-eyed sweethearts.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

This striking, two-toned confluence of rivers is visible from space.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

This sacred cave temple is home to thousands of bats and according to legend, a giant snake king.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Hindu temple of the dead home to hundreds of long-tailed macaques.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

This probably wasn't what Mao had in mind.