The most decorated dog of World War I is preserved in the Smithsonian.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Home to items never before seen by the public.

A downtown park built on top of unclaimed graves.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

The highest bridge in America was built for an almost unnervingly small amount of money.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

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

This striking art museum holds an amazing series of curiosity cabinets.

Robots, lasers, and whoopee cushions, oh my!

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

Giant granite rocks standing end-to-end like a train of circus elephants.

Erosion and time have created a naturally-formed water park.

Direct, creative challenge to Mother Nature's winter wrath.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This probably wasn't what Mao had in mind.

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

An architecturally-focused antique shop.

The only arched bridge made of stone on the entire Mississippi River.