Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The history and future of cannabis.

Amsterdam's Red Light District leaves little to the imagination.

The man who introduced reinforced concrete to the world demonstrated its genius by using it to build his own house.

The historic Masonic Lodge in which the first-ever female Mason was initiated.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Indents in the pavement are all that remain from a grisly death machine in Paris.

France's most famous cemetery, with some of its most curious tombs.

How did a French journalist’s grave become the sexiest statue in the cemetery?

The trials and tribulations of marking Poe's grave.

The city is full of whimsical portals to another world.

The highest point in Washington state is a volcano covered in glaciers.

Hub for hallucinogenic Amazon religion.

Pre-Incan aqueduct amidst a stone forest in Peru.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

A swing to dangle you off the very edge.

From the Difference Engine to the Cray-1, all under one roof.

Apple memorabilia in an undisclosed warehouse, hidden for undisclosed reasons.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

A hidden world of exotic succulents and cacti.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.