This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

This church devoted to Mexico's "dead saint" is a festive celebration of a formerly hidden religious figure.

Occult books, tarot, oddities.

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

An underwater city for the dead.

A creepy steel gremlin has protected the Bay Bridge since 1989.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

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

The atmospheric road was never meant to be so creepy.

The ancient tomb acts as a calendar that keeps perfect time.

The lake that fills and empties itself at random.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.