Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Oldest existing wire suspension bridge in the United States.

This museum tells the history of Day of the Dead sugar sculptures.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

On a corner of the Ardmeanach peninsula on the Isle of Mull, a 50 million-year-old fossil tree hides in the coastal cliffs.

A set of beech hedges planted in the 19th century forms a tunnel that takes on a different appearance in every season.

Deep in the Ocala National Forest, a lonesome 19th-century grave.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

An extensive collection of some of the oldest grave markers in Lithuania.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

Temporary Burning Man sculpture made of two 18-wheelers.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

'Cause the fence start shaking, the earth was quaking.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

An ancient city exhumed from the depths of the ocean.

It might not be the prettiest pyramid in Egypt, but it may be the muddiest.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

The once great capital of Egypt now crumbles forward as evocative ruins.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.