Enormous pendulum helps keep Taiwan's tallest building from swaying.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

World-famous, Pink's still manages to keep its prized cult fetish status.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

This massive redwood tree has a hole in the base big enough to drive through.

Quite simply the largest tree in the world (by volume).

A bust of the first president welcomes visitors to the only town in America called George, Washington.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

An entire town preserved as a historic landmark.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An obscure waterfall that looks like something out of a fantasy novel.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

An homage to everyone's favorite prehistoric cartoon family.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

The quiet field that inspired one of the most famous songs of all time.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Hear the quietest sound from across the dome.