This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

The quiet canyon has a tumultuous history involving a doomsday cult.

A performance hall at the American Jewish University moonlights as a sci-fi film location set.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

This piece of a Renaissance-era Spanish castle remained lost for decades.

Mexico's National Sound Library houses music, recordings, and voices from the nation's rich past.

This Mexico City subway station will make you feel like you've been transported to the London Underground.

A Mexico City subway station boasts a hidden museum, complete with a working radio booth.

A "time traveler's" vision of human history stretches throughout Mexico City's Copilco metro station.

This museum houses two of Mexico's most impressive Aztec monoliths.

Mexico City's residents are being watched by this state surveillance headquarters, designed by architects with a flair for intimidation.

Twelve natural mummies are displayed in the crypt of this former monastery school.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

An increasingly eccentric apartment building, topped with winged beasties.