The highest point in Washington state is a volcano covered in glaciers.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

World's first "penitentiary," meant to be humane, drove men insane.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A museum dedicated to a sea that should have never been.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

Decommissioned experimental solar facilities that pioneered solar energy technology.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The second largest reclining Buddha in the world got "lost" for over 120 years.

This peaceful, round shrine in the middle of the Sri Lankan jungle acts as a beacon of peace.

An urban laboratory.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

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

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A marvel of Byzantine engineering under the streets of Istanbul.

A magnificent, iconic stone tower in the Scottish Highlands.