This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

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

One of the ghostly stops along Route 66.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

Olfactory delights in San Francisco's Botanical Gardens.

An encyclopedic collection of mammal penises.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

The curiosities and wonders of pharmacy in a delightful historic building.

A haunting collection of the vanished and disappearing natural world.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A modern day curiosity cabinet.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This landmark cemetery in Boston was created more than 300 years ago.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

A tomb with a window to ensure the interred wasn't buried alive.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

The "last unrestored grand mansion of Savannah" is now a cramped, mouldering maze of antiques.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.