Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

Considered by many to be one of the most dangerous highways in Alaska.

This Native American settlement dates back to the Pueblo II period.

All that remains of the once-booming chain is a single orange-roofed restaurant.

A rare view of a preserved Victorian science museum.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

This homestead was occupied by Union soldiers, who believed the owners were signaling Confederate forces.

The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

This statue intended for children to enjoy became a minor political spat.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

This statue honors the author's groundbreaking family story.

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

This large boulder was used as a lookout point by Revolutionary War militiamen.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

The slate extracted from these Pennsylvania quarries was once hailed as the finest in the world.

For decades, it has disappeared and reappeared as water levels rise and fall.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

A toxic ghost town sitting atop a massive coal fire.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.