The world's largest piece of copyrighted artwork.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

A building so large that it has its own weather.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

Home of the only civilian casualty at the Battle of Gettysburg.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Concrete strongholds stand guard over the Golden Gate.

A reproduction of earth's many biomes.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A sharp bend in a dramatic river canyon cut through red rocks.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

Follow the original medieval paths that wind through this intriguing section of the city.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

Regency-era excess on the English Coast.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.