These strikingly barren, rolling red hills were caused by bad farming practices.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

A walk through the historic city center, under the streets of Seattle.

A beautiful 62-acre Catholic shrine and botanical garden.

Hollowed out cedar log tubs set in an ancient towering forest.

The seamy, underground secrets of Portland's criminal past.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

An unusual round church in London with a Templar past.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

The 10,000 Torii shrine.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A small alleyway lined with locally drawn scenes of nostalgic anime and cartoon characters.

A secret passageway from World War II is now a quirky pedestrian shortcut.

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.