Once the most painted on object in the world, this short campus fence is well on its way to being so again.

Starting with nothing more than discarded conch shells, one man has built an island/bar that would make Jimmy Buffet jealous.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

A walk through the historic city center, under the streets of Seattle.

A museum dedicated to the history and exploration of both popular music and science fiction.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

These eclectic homes nestled into the cliffs of a Caribbean island were built entirely from scavenged materials.

A gallery of underwater art that can be visited by man and fish alike.

A city continually buried under the ash of a volcano that has been erupting for more than 15 years.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

This former stomping grounds of the most eminent astronomers of the early 20th century.