Massive still life just off the highway in Kansas.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Native Americans built this circle of stones, which was used to predict astronomical events.

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

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

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

Commonly acknowledged as the only public monument to the Devil himself.

A lush indoor jungle fills this bustling Madrid transportation hub.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

A tall karst islet popularized by 007.

Vintage furniture and art share space with all manner of collectibles at this quirky shop in Bangkok.

Peek into the world of those creating the beautiful, delicate paper parasols found all over the globe.

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

The largest permanent Monopoly board makes one of the longest games even bigger.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

In this century-old literary safehouse, print is alive and well.

Tiki luxury on Nob Hill.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A psychedelic labyrinth on the San Francisco bay.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.