One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

An old soap company building now houses one of Minneapolis’s oldest independent non-profit art galleries.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

The only arched bridge made of stone on the entire Mississippi River.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

When flour explodes, it's not a pretty sight.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A toweringly silly piece of modern art has been delighting locals since the 1980s.

20,000 pieces in a Frank Gehry-designed building.

Cryptic messages embedded in the New York City sidewalk.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Elevated freight railway turned wildly successful urban park.