In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

This fully restored synagogue explores the American Jewish experience along the old frontier.

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

This is one really big nut.

The final resting place of the living embodiment of the famous Forest Service symbol.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

A technicolor place of worship for Elevationists.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

One man's ambition created this psychedelic log home.

Birds with backpacks expedite film development for a rafting company on a remote Colorado river.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

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

This iconic science fiction house still looks like something from the future.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

A downtown park built on top of unclaimed graves.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

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

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.