Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

The legendary building that needed ghostly approval before being built.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

America's most famous piece of self-built architecture.

One man's homage to the sun continues to grow like a glass fractal.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Rainbow-hued local gem in Venice.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A castle that was built stone by stone by an eccentric journalist.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

The private clubhouse for the members of the Academy of Magical Arts.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

This glamorous old building is said to have inspired the Tower of Terror.

The remains of the first punk club in L.A.

A faux European lane smack dab in downtown L.A.

This grand mansion has starred in everything from Bones to Buffy.

Most famous work of one of Frank Lloyd Wright's sons.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.