This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

This dreamlike museum is filled with the works of an influential surrealist artist whose name you may have never heard.

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

The eccentric mansion of one the most popular horror authors of modern times.

This whimsical fountain pays tribute to Toronto's four-legged friends.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

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

The oldest public library in Ireland.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

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

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

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

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

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

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

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

Rare recess caves fill this unbelievably beautiful Ohio park.

A spectacular hidden beach in Ireland has the dark, disturbing nickname of "Murder Hole Beach."

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.