This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

Destructive children, start your engines.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

An abandoned Depression-era zoo hidden just off the highway.

A big museum full of little worlds.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Faces carved into the cliffs create an otherworldly walking trail.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

Step back in time at this 1950s display home, built to showcase once cutting-edge electric amenities.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

A prime example of New Orleans' unique architecture these early 20th century homes were built to look like steamboats.

Overgrown ruins of a turn of the century island fort that sees very few visitors.