Famously misunderstood wonder of the ancient world

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

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

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.

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

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

World's largest collection of serial killer artwork and other macabre exhibits.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The building that inspired Shirley Jackson's "The Haunting of Hill House."

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

A wunderkammer hidden on the top floor of the Hartford statehouse.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”