A remarkable feat of Victorian engineering across the Firth of Forth.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

This figure of a local merchant is said to reanimate and do a dance during Hogmanay.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

A double cantilever system bridge that was designed to prevent flood damage.

An overlooked memorial honoring the local Washington residents who died in World War I.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

A small and somewhat hidden memorial to 68 local veterans of the Vietnam War.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

One of few surviving standpipe water towers in the U.S.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

The oldest continuously occupied public building in the United States.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

This interpretive path lets you get up close and personal with dinosaur bones.

The fifth-longest natural arch in the world, and the longest outside China.

Oddly shaped rock formation, misassociated with a nearby utopian community.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

The graffiti-covered ruins of an abandoned trading post in the middle of Navajo Nation.