What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

Opulent downtown movie theater now houses cars as an indoor parking garage.

The collection of ceremonial and cultural objects spans many countries and hundreds of years.