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

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

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

A little sculpture with a large wardrobe.

Constantly maintained, this organ is playing a six-century long composition by John Cage.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

Roman ruins top white travertine terraces formed by ancient hot springs.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

A barbarous band of serpents guard the bases of these Aztec temples.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

This beautiful site is where the first transatlantic telegraph was sent from.

Famously misunderstood wonder of the ancient world

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

This "floating railway" is one of the world's oldest monorail systems.

This painted Lego bridge is the product of over a century of locomotive history.

A black cat protests the City Guild in Riga's Old Town.

This bike path traverses the treetops.

This bike path was sunk below water level for maximum wonder.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.