A monument to the love people have for their pets.

The fossilized remains of ancient California redwoods.

A large instrument played by the wind.

The beams of the New College, Oxford dining hall come with an amazing story.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

A beautiful but toxic fountain of mercury.

Dictionary Johnson’s favorite feline.

Hear the quietest sound from across the dome.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

A sleepy little town that had the greatest landslide in North American history fall on it.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Towering basalt columns, a creation of fire and ice.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Possibly the world’s easiest Easter-egg hunt.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Astonishing rock formations dot the Brimham Moor landscape.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

Every equinox this Maya pyramid puts on a spooky ancient light show.

New York City's smallest piece of private property.