St. Augustine's record-setting narrow street was designed to protect against pirates.

An abandoned warehouse turned art sanctuary in New Orleans.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

San Francisco's newly reopened hands-on science museum.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

Memorial to the father of the Republic of China.

Frida Kahlo's childhood home, now a museum of her life and works.

One of the word's deepest gorges is also tied to a fantastic legend.

It is locally loved and ridiculed for literally looking like poop.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

Furniture tries to escape an abandoned building in San Francisco.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Visitors to this library are in for a real-world education in modernist architecture.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.

Friction between grains of sand cause a curious "singing" sound.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.