Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

This stunning mass of ice spans 121 square miles and is still growing.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

This contemporary art museum is filled with other, smaller museums, which feature work from artists primarily in the Pacific Northwest.

This former office building has been transformed into an immersive music venue and art space.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

A cake-themed art installation tucked away in historic Chinatown.

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

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Even Henry David Thoreau found this glacial pothole irresistible.

Tracing a path of more than four miles around a frozen lake, this is the longest skate trail in the United States.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

Driftwood dinosaurs lurk within trees covered in a rainbow array of avian abodes.

A gardener's enduring labor of love is spread throughout a small Vermont town.

One car at a time please.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Industrial ruin decimated this tiny New England company town in a fashion no one saw coming… and even fewer remember today.

Dozens of playful sculptures blanket these 200 rolling acres of farmland in an ode to art and landscape.

This "common-as-dirt" museum celebrates the glory of normalcy.