The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The plants form a living library and laboratory for researchers and students at Michigan State University.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

An early-19th-century hotel with a past that is steeped in the Civil War.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This replica of the Greek structure is in the heart of Nashville.

When ecosystems collide in the arid Southwest.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

Home to part of the world’s largest private collection of original manuscripts and documents.

Summer in the "Turtle Racing Capital of the World" means rousing weekly reptile races.

Direct, creative challenge to Mother Nature's winter wrath.

The watery grave of an impractical idea.

Dothan, Alabama has been invaded by scores of anthropomorphic peanuts.

The unusual burial monument of Arizona's first governor.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

A mysterious "wedding cake" castle in the middle of the urban desert.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.