If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Combination beer garden and music venue in the heart of Wicker Park.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

A big museum full of little worlds.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Only intact Ichthyosaur skeleton in the United States.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

This little-used trail winds through the highest mountain range in central Nevada with sections around 10,000 feet.

US-50 in Nevada is known as "the Loneliest Road in America," but this earlier iteration of the route is even lonelier.

Eclectic collection of rare and beautiful stones in a historic home.

To find the "unicorns of the deep" you've got to go downstairs.

World's second largest particle accelerator, where nature reveals its secrets.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

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

An emerald-green grotto just a short trip from Austin.

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

On the Oregon coast there is a natural hole that seems to be draining the sea.

Rippling sand dunes frozen in the Arizona rock.