The embalmed remains of the communist leader lie within a custom crystal coffin.

A giant scale model giving a sneak peek at what urban planners see for Shanghai by 2020.

The once highest point in China blends symbolic design with a kick of adrenaline.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

The home of the Dead Sea Scrolls is an abstract modernist dream.

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

Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.

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

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A marvel of Byzantine engineering under the streets of Istanbul.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

The ancient latrines of the Greeks, in all their public glory.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Macabre astrological automaton clock dating to the late 1400s.

The only museum with its curator—and her pets—buried inside.

Where Venice's gondolas go for a tune-up.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.