If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

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

A quaint Russian village in the middle of a German metropolis.

A 12th-century fortress containing some of Berlin's oldest buildings.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

An extraordinary mixture of natural beauty and man-made phenomena.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

A Victorian-style home known as the “Castle on the Hill.”

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

This frequently-photographed waterfall takes only a short hike to visit.

Make it an offering.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

The world's last remaining store of its kind.

The longest continuous lava tube in Oregon.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Berlin's old airport.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.