The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Largest Roman Catholic church in North America.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A multi-storied adobe complex has been inhabited for more than a thousand years.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

An icon among Florida's pre-Disney tourist attractions.

Golden Gate Park's historic collection of plants.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The highest bridge in America was built for an almost unnervingly small amount of money.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

A Hawaiian stairway to heaven—that you can't climb.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Three hundred years of preserved Spanish colonial history in San Antonio.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

A miniature city built by a single hunchbacked monk.

Built following the War of 1812, this fort has withstood hurricanes for centuries.