On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

Largest Roman Catholic church in North America.

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A modern mechanical planetary system, part of a 10,000 year clock.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

This ceremonial mound is one of the first officially recognized Native American historical sites in North Carolina.

Turning night into day in Victorian-era Austin to thwart a serial killer.

The "Prussian Versailles" that is as glorious today as when it was built.

Berlin's old airport.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Cold war icon and onetime "hole" in the iron curtain.

A fascinating insight into daily life in the Eastern Bloc.