Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

An ethereal glowing blue ocean cave in Croatia.

These phallic stone spires once served as Tolkien's Paths of the Dead.

Largest Kauri tree in New Zealand.

This faded sign to nowhere is a beloved icon in New Zealand.

Water-powered gadgets whirr to life in this quirky eco park.

Known for the tunnel that leads visitors to the water.

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

A lakeside garden in the Southern Alps full of whimsical artwork and thousands of beautiful flowers.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

A giant doughnut was given to the small New Zealand town of Springfield to promote "The Simpsons Movie."

Hundreds of bras, blowing in the wind.

New Zealand's epic shrine to all things puzzling.

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

Some of the clearest water anywhere in the world.

This deadly little sliver of beach has seen hundreds of whales beach themselves over the years.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Handcrafted thermal spa washes away each night with the tide.

A perfect turquoise lake colored with glacier dust.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

A bronze kitty adorns the grave of the polar explorer who brought the original feline to the Antarctic.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.