Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This once rural mansion now sits in the heart of the city.

An experimental, automotive replica of Stonehenge.

This erect, phallic geological spire wasn't always named so domestically.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

A hot dog stand where the heads are just as hot as the dogs.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

A memorial dedicated to the victims of the Columbine High School shootings.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

A multiversal transit station located right below a highway interchange.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This museum offers an actual time machine back through Colorado's past.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.