The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

A small island in Lake Garda that was used as a burial site, pirate hideout, and a monastery.

An ancient Egyptian temple in the middle of Madrid, Spain.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

Museum dedicated to awful artwork.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

An abandoned underground bunker not far from downtown New Orleans.

These abandoned country fairgrounds are filled with replicas of Spanish monuments.

A long-disputed island that Denmark and Canada claim by periodically alternating flags and bottles of liquor.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

A Cold War atomic camp buried under the ice is now emerging because of global warming.

The tiny Spanish village that long refused to change its outrageously anti-Semitic name.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.