A collection of 100 brains preserved in jars on the UT campus.

A high-octane shrine to the greatest Texans who ever lived.

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

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Hiding the longest subterranean river known in the world.

An unusual bronze bus shelter is actually an art installation commenting on the city's history with the Nazi party.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

Microscopic scenes; some call it novelty, some call it art.

A turquoise lake within a volcanic crater.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.