A large replica of a monumental Roman inscription is located on the side of this museum.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A watercolor recreation of a famous fresco unearthed at Pompeii.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.

Concrete igloos standing across from what remains of the Michigan Central train depot.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

A small welcome symbol for visitors to Ann Arbor.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

For books about travel, whether factual or fictional, the perfect antiquarian does exist.

Miners in Michigan developed a taste for Cornish beef pasties, which this roadside stand has been selling since 1947.

This small, nautical gift shop is home to a 500-pound behemoth.

A 30-foot-tall sculpture pays homage to what was once the Steering Wheel Capital of the World.

This tremendous trout welcomes visitors to a northern Michigan town with a rich fishing history.

Locals often dress this effigy of Traverse City's founder in festive outfits.

This tree was warped centuries ago to serve as a botanical wayfaring tool.

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

The smallest useable chapel in Michigan is five-by-eight feet and has seating for three.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.