The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Three hundred years of preserved Spanish colonial history in San Antonio.

Home to items never before seen by the public.

A cluttered and astounding collection of antiquities and curiosities.

Eighty million natural history specimens call this gargantuan museum home.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The modern birthplace of Irish freedom.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

The ancient tomb acts as a calendar that keeps perfect time.

An ancient neolithic tomb that only sees the sun twice a year.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.