The headquarters in Salem doubles as an occult art gallery.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

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

The history and future of cannabis.

Museum preserving torture methods from the past.

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

Cat art as far as the eye can see.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

Fantastically decorated underground chambers built in the 1760s.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

Try not to get slimed in Tribeca.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Known for the tunnel that leads visitors to the water.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

Stumps of an Ice Age forest, visible only at low tide.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

An emporium for the weird, creepy, rare, and just plain gross.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Where religious effigies, magic soaps, and occult candles are brought to customers at wholesale prices.