This amazingly preserved Gold Rush town is a historian's dream.

This 35-foot troll in Jackson Hole, Wyoming, was made by the world’s leading recycling artist as part of a global fairytale.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

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

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A sweet symbol marks the place where torturous executions were once carried out.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

360° views of the city plus five floors of optical illusions and hands-on science.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A scattered trail of street art adds a pop of color to the city's stark structures.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Have a seat with the father of modern computing at this Manchester monument.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.