A theme park made of glass, from the gleaming books on the shelves to the crystal fish in the mirror lake.

South Korea's only sex-themed park.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

Secret North Korean passage discovered below the world's most dangerous border.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

A stone wall that mysteriously moved three feet from its foundation.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

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

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

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

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

Local legend says the remains of Father Christmas lie within the medieval grounds.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

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

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

"Polynesia on the Plains."

The rocks of a certain area of Butte, Montana give off a musical ring when hit.