This rock formation named for its unique shape is one of many that call the Alabama Hills home.

Hundreds of trees made from glass bottles make up this forest on Route 66.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Shoreline strewn with the remains of ghostly fallen trees.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This unusual lava tube spouts seawater during high surf.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

This conservation area is also home to many of the region's desert tortoises.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

In which a local geological marvel becomes a quaint roadside attraction.

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

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

Oldest building in California still in use.