Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Leave a button on the jacket of this iconic Seattle clown.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

Museum dedicated to the struggles of the disabled.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

The last street in Pittsburgh that's paved with wood.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

If you want to build a better mousetrap, first consult this small museum's massive collection of trapping tools.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

An 18-mile-long tunnel for sewage waste will soon wind within the bowels of Washington, D.C.

Home to a 27 room house, this estate was crafted by Black entrepreneur Olander Banks Sr.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

Could it have picked a better place to land?

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.