A series of playful yellow penguins share a serious message about the environment.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This artificial cave looks like something out of a fairytale.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

Countless grotesque faces stare out from this eerie Prague art wall.

A Jenga-style cylindrical tower of books that appears to go on forever.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

For those going through a life transition, a place to leave behind a piece of your former self.

A motel dedicated to Southwestern nostalgia.

One man handcrafts "the best sake made outside of Japan" in a tiny desert town on Route 66.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

An homage to everyone's favorite prehistoric cartoon family.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Rippling sand dunes frozen in the Arizona rock.

Walk through the sets of old western films at this small museum in Utah.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.