Structure built from the skulls of vanquished foes.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The world-record holder for the longest bridge stretching continuously over water.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

The second oldest continuously operating bar in Louisiana.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

One of the oldest adobe structures in Northern California.

An unexpected connection to Chicago awaits visitors on an island just off the California coast.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

It took years to decode its mysterious messages.

Fake rail crossings mark the site of an influential doctor's demise.

Hidden inside a gift shop that doubles as a museum, this gargantuan yo-yo can only be operated by crane.

800 apricot trees honor Silicon Valley's agricultural history.

This giant shopping mall still holds signs of its automotive past.

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

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The oldest lawn bowling club in the United States.

One of the last remaining Carpenter Gothic churches is situated on a wildflower conservatory overlooking the bay.

A century and a half of research in the sciences and natural history, still going strong.