Major tourist destination known for its bubbling mud-pools and hot thermal springs.

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

One of the world's steepest streets seems to have houses sliding down it.

Known for the tunnel that leads visitors to the water.

A glacier pocked with ice caves and surrounded by rainforests.

A New Zealand couple's shell-adorned home living room, now on display at the Canterbury Museum.

A perfect turquoise lake colored with glacier dust.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Highly spherical boulders on the shores of New Zealand.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

A magnificent, iconic stone tower in the Scottish Highlands.

Macbeth's infamous "Great Birnam Wood."

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The final resting place of soldiers' loyal canine companions.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The most loyal of little dogs, or a Victorian era publicity stunt?

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

360° views of the city plus five floors of optical illusions and hands-on science.

A sweet symbol marks the place where torturous executions were once carried out.