Climb inside an iron crystal magnified 165 billion times its normal size.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Most prolific publishing house in the 1600s open to the public.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

This ghost town in Belgium will lose its street art when it ceases to exist.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Not far from the bustle of Kuala Lumpur is an amazing waterfall that navigates seven vertical drops.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

San Francisco's newly reopened hands-on science museum.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

Olfactory delights in San Francisco's Botanical Gardens.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This giant temperature attraction created some giant electric bills.

An off-grid art installation that encourages its visitors to imagine a world without waste.

Haunting and beautiful trees, doomed to die.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Giant, friendly pelicans in Central London, the most unlikely of places.

One part local history, 99 parts gruesome haunted house.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A beautifully eclectic mix of architectural styles.

This mountaintop observatory is home to one of the world's largest reflective telescopes.

A church of bones, decorated with 40,000 human skeletons.