Started as a kitchen garden, now the second largest botanical garden in the world.

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

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Where once there was a train station bathroom, there is now this German burger joint.

Berlin's old airport.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

This classic restaurant features a gorgeous mirror-clad room.

The most visited, and possibly most controversial, museum in Germany.

A slice of central Asia in the middle of Berlin.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

A bit of retro transportation flair preserved in the world's largest department store.

A strip of modern stores in historic buildings.

Home to items never before seen by the public.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

A whimsical, but often overlooked clock in Park Avenue.

A Bibliophile's Dream.

Where Cusack's record store from the film "High Fidelity" was located.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.