American soldiers discovered Europe's best one-liner at the end of World War II.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The final resting place for the remains of 143 Habsburg royalty.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

What happens when you cross a mayor and a painter?

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.