One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

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

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

A beautiful geyser under environmental threat.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A terrific purveyor of natural history objects and curios.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The massive machine creates cracking displays of indoor lightning.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

An extraordinary mixture of natural beauty and man-made phenomena.

This charmingly homemade amusement park has been growing for 40 years.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The wartime prison now features haunting sculpted reenactments of the atrocities that took place there.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Dr Barnes' $25 billion private collection of art and arboretum.

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.