For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

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

The most famous location in China was home to whole dynasties worth of imperial rulers.

This massive neon wheel is the only one of its kind to be built over a bridge.

A clay house decorated with ceramic chips in Tianjin.

This sensational Chinese temple walks visitors through the 76 weird departments of the afterlife.

North Korea's massive art and propaganda factory now has an official gallery space in Beijing.

This probably wasn't what Mao had in mind.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

Boise State's stadium was the first non-green football field in the world.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A fine, large-aperture telescope available for public use.

A large wind turbine installation in central Washington State is home to an extensive set of interpretive exhibits.

An eclectic collection of wind-powered sculptures made from found and recycled materials.

D.C. once had its own tiny rival to the New York Stock Exchange.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

A brass and marble scale model of the solar system embedded in the concrete.

This grand gothic brewery has been pumping out suds for over a hundred years.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.