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

Largest Kauri tree in New Zealand.

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

New Zealand's epic shrine to all things puzzling.

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

The glacier tucked within a New Zealand rainforest.

A glacier pocked with ice caves and surrounded by rainforests.

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

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

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

Advice-columnist's bell tower, paid for with pennies.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Standing guard on top of an old, vacant ice cream shop.

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

Enormous small-business mecca in the Midwest, serving dozens of artists.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Opulent downtown movie theater now houses cars as an indoor parking garage.

The bones of an old zoo crumbling in the shadow of a new one.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A Beaux-Arts triumph set to become Ford's innovation campus

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A scattered trail of street art adds a pop of color to the city's stark structures.