This unusual rock formation looks like an apple that has been neatly sliced in half.

Highly spherical boulders on the shores of New Zealand.

The most southerly spot on New Zealand's South Island is home to surreally shaped, permanently mangled trees.

Known for the tunnel that leads visitors to the water.

Some of the clearest water anywhere in the world.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Tubing through a cave lit with glowworms is a magical underground experience.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

This natural sea arch highlights Ireland's rugged coastal beauty.

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

This single room has survived the centuries with almost no deterioration.

Wallabies live naturally on this Irish island.

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

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

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

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

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Barbies stare from the walls, sit on the tables, and even pop out of cakes at this quirky cafe.

Transport yourself to the 1980s era of video games at this themed restaurant and bar.

A massive wintry wall of snow up to 66 feet tall flanks a highway through Japan's mountains.

Japan's largest area of "pink moss" turns the hillside bright pink every spring.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.