The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

The world's tallest box hedge is found in a delightful garden.

Petrified footprints of one of the very first vertebrates to walk on land.

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

An 1814 castle that hosts an exhibit of "explorabilia".

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

An ancient chamber filled with wonderful rock art and a Neolithic carving of a human face.

Wallabies live naturally on this Irish island.

A standing relief of a Norman knight whose posture marks him as a Crusader.

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

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

These imposing walls and towers look more like the ruins of a fortress than a monastery.

Huge standing stones mark a site of megalithic mystery.

An Irish peat mine has become a stunning sculpture park.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

This Catskills museum preserves stumps from the earliest known fossil forest on Earth.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

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