14th century Norse artifacts in Northwestern Minnesota could have proved a Viking landing before Columbus.

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

The statue honors the booming birds Rothsay, Minnesota, is famous for.

A riverside park built around the ruins of a massive dam that collapsed in 1909.

Museum dedicated to the preservation of surf culture.

A small, peaceful sculpture garden with a grim memorial to a disaster that took place a few blocks away.

The creator of the carousel's bingo-pinball hybrid survives in California's oldest gaming establishment.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

A relief that wraps around the concourse of Los Angeles's World Trade Center marks one of the city's failed urban design plans.

A Biblically-based Natural History Museum.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Thousands of fossilized footprints speckle this Bolivian national park.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

Abandoned anti-ballistic missile base.

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

The only place for a truly presidential dram.

The only remaining African American schoolhouse in northern Virginia is now a museum dedicated to formerly enslaved people.

A priceless work of art created by the saint's own blood sister hangs in a San Antonio basilica.