The hidden jewel of Disneyland: a members only playground for the Disney elite.

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

The liveliest ghost town in the state.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

One of the most unusual geological features, recognizable from a dozen hit movies.

The longest living non-clonal organisms on Earth.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Introducing the Green Fairy to her fawning masses.

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

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

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Olfactory delights in San Francisco's Botanical Gardens.

A dilapidated dock tells the story of Titanic's missed arrival.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.