A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Concrete strongholds stand guard over the Golden Gate.

A young botanist's horticultural vision realized through a lifetime of planting, tending, and collecting seeds.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Granting the right of way to ships over surface traffic since 1917.

A wall of chewing gum moonlights as collective art.

This working class sculpture pounds his hammer all the livelong day.

A massive sea stack famous for its appearance in The Goonies.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Less a museum than a bizarre fantasy world created by artists and engineers.

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

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

Ruins of a Carnegie family mansion on Cumberland Island.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

St. Augustine's record-setting narrow street was designed to protect against pirates.

This curio museum seems like the type of place you might find a mogwai or a monkey's paw.