A walk through the historic city center, under the streets of Seattle.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

A dilapidated dock tells the story of Titanic's missed arrival.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

Ride the subways of yesteryear.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

An experimental, automotive replica of Stonehenge.

Massive still life just off the highway in Kansas.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

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

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

The clock that sets them all.

A research lab and hands-on museum where visitors can experiment with retro technology.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.