This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

An Inca spa, military outpost or maybe… both?

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

Huge stone depressions which may have acted as an Incan agricultural experiment.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Three hundred years of preserved Spanish colonial history in San Antonio.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

Who knew the Devil's domain was a hot spot for tubing?

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

A seasonal movie monster museum featuring wax creations by a relative of one of the original Universal Studios monsters.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.