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

A downtown park built on top of unclaimed graves.

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

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

A technicolor place of worship for Elevationists.

An artist sees trees as a medium for sculpture.

Tucked away on the second floor of a small town library is one of the great private Victorian taxidermy collections looking today very much like it did in 1909.

Small rustic cabin nested in the mountains of Killington, VT.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

A geological mystery on Camelback Mountain.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

A mysterious "wedding cake" castle in the middle of the urban desert.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

A self-built castle made by a mysterious man.

This secluded walking trail is a hidden gem of a Pittsburgh park.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

The last street in Pittsburgh that's paved with wood.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.