The fading, forgotten remains of a once bright and booming factory.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A unique attraction and museum dedicated to exploring iconic roadside structures.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

Century-old shop, specializing in Occult products.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The headquarters in Salem doubles as an occult art gallery.

Climb right into the heart of this colorful Iceland volcano.

All of Chicago's wood-paved streets are long gone but two alleys remain.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

Lavish royal estate punctuated with heated greenhouses.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Unlock the secrets of the conjuring arts.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

A medical facility that has been kept frozen in time.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Nikola Tesla's former home contains an homage hidden from plain sight.

The television series' iconic giant foot was borrowed from this classical painting.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.