These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Salt is slowly eating away this abandoned saltworks town in the desert.

10,000 flowered plants bloom in the City of Roses.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The California capital city once stood 10 feet lower than it does today.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A modern mechanical planetary system, part of a 10,000 year clock.

The unbelievably opulent home built for an infamous newspaperman.

Bizarre Cavern.

The longest continuous lava tube in Oregon.

A huge musical instrument played by the ocean.

Geological storytelling.

Cliffside houses provide a spectacular view from their perch above the valley.

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

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

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

An overlooked and unassuming engineering marvel.

This turn of the century masterpiece has a mysterious goaty interloper.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Furniture tries to escape an abandoned building in San Francisco.

An artsy hidden staircase leads to breathtaking views of San Francisco.