Stuck in a bygone era, the oldest subterranean shopping street in Japan hides beneath the popular Asakusa district of Tokyo.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

The largest stone circle in Ireland.

A stunning medieval castle owned and restored by the famed actor Jeremy Irons.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

A mysterious Neolithic tomb is perched along the edge of a modern golf course.

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

This Neolithic passage tomb forms part of a World Heritage Site.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

The skeleton of a whale that beached itself in this Irish town is now on display in their public park.

The largest portal tomb in Europe has a capstone weighing around 150 tons.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

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

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

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

This ancient Irish landscape boasts hundreds of legendary ruins.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

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

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

A corkscrew-shaped barn in Ireland.

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