This ancient structure is widely thought to be the oldest intact pyramid in the world.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

A network of ancient Egyptian tombs built into the cliff face along the Nile.

Ozymandias’ time-keeping temple.

This jar honors the role that pottery has played in this Tunisian village over the past millennia.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A wonderfully eccentric Victorian-era museum and library.

This skewed English house has looked like it's going to fall over for centuries.

One of England's most famous churches hides a pair of little known architectural treasures.

This impressive chasm is one of the longest natural underground cavities in the world.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

A stone circle on the slopes of a Caribbean volcano commemorates the leader of an anti-slavery uprising.

At first glance, little checkered structures on the hillside look like they house the living, not the dead.

The enormous smoke hides within a little known, semi-secret exhibit inside Havana's Morro Castle Historic Park.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Four antique Baldwin trains are kept on display in the Mal Tiempo train depot.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

A tomb in this cemetery holds soil from every country in Latin America.

This church looks more like a spaceship than a house of worship.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

On the shores of Lake Laffrey, a monument commemorating one of Napoleon Bonaparte's most compelling victories.