A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

The Home and murder site of the witch of Rehmeyers Hollow.

An outlandish shoe shaped house built by an eccentric millionaire.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A layered tribute to the work of mosaicist Isaiah Zagar.

Century-old shop, specializing in Occult products.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

One man's swirling six-acre monument of stone.

A small, peaceful sculpture garden with a grim memorial to a disaster that took place a few blocks away.

A surreal, Gaudi-inspired play space near an Anaheim community center.

The ruins of a once prosperous power station have become a mouldering seaside gem.

An old town theater converted into a celebration of the hobo legacy.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

Gigantic natural towers in a Russian plateau.

Monastery complex at the location where bodies of the executed Romanov royal family were discovered.

As one of the world's largest hydroelectric dams this plant took two countries to get built.