This unique tower has been home to malaria-fighting bats for 100 years.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

The world's tallest statue of an American hero.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

A taste of Middle Earth, in the middle of the Bayou City.

This downtown Dallas art installation is always on the lookout.

A serene temple with stunning stained glass hides in downtown Dallas.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

The longest and widest floating bridge in the world.

Leave a button on the jacket of this iconic Seattle clown.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A giant Troll lurks under one of Seattle's oldest bridges.

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

With its vaulted ceiling and gilded details, this University of Washington library would feel right at home inside an old palace.

This sculpture forces visitors to confront their relationship with space.

This Texas windmill field celebrates the power and majesty of the very winds that blow.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.