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

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

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An homage to everyone's favorite prehistoric cartoon family.

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

This Chinese-style quartz sundial was saved in its final hour.

Final resting place of a 19th century gold prospector and convicted cannibal.

An annual festival celebrating Colorado's most famous frozen corpse.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

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

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

"All Mountains - All The Time."

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

The final resting place of New Orleans' most famous voodoo priestess.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

The Boston square dedicated to the dark poet who was born nearby.