The final resting place of soldiers' loyal canine companions.

Mysterious meeting place for UFO hunters near Area 51.

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

A tunnel of hardened lava along Maui’s famous Road to Hana.

The famous aviator's final resting place is a study in natural beauty.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

Research station devoted to mysterious floating lights seen in a Norwegian valley.

A stunning silver lining to global warming's gloomy cloud.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

Walk behind a 50-meter-high waterfall.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The history and future of cannabis.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Amsterdam's Red Light District leaves little to the imagination.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

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

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

This giant boulder is pinched over a 1000-meter abyss by two mountains.