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

The once and future home of New Zealand's famed Pink and White Terraces.

Handcrafted thermal spa washes away each night with the tide.

Deadly scalding and one of the largest hot springs in the world.

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

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.

A 32-acre fun park dedicated to all things cheese.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

A Tucson museum and performance space full of found-object movable sculptures.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A lifetime's accumulation of bric-a-brac and kitsch.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

What do a giraffe, an elephant, and reasonably priced steaks have in common? This roadside restaurant filled with exotic taxidermy.

An experimental, automotive replica of Stonehenge.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

One man's ambition created this psychedelic log home.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

Metal water storage tank turned ethereal concert hall.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.