In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

It houses the remains of a 17th-century version of the Titanic.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

A little sculpture with a large wardrobe.

The last bastion of Roman presence north of the Alps looms over a German town.

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

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.