A beautiful memorial tells the story of a formerly enslaved woman whose kindness shaped a burgeoning city.

Historic funicular railway, believed to be the shortest railroad in the world.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The legendary building that needed ghostly approval before being built.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A museum celebrating Icelandic history and technology.

This installation turns abstract economics into a stark, public spectacle.

Trace the history of the nation’s early days at the site of America’s oldest stock exchange.

The site of the daring river crossing that changed the course of the American Revolution.

This map, on display in the Library of Congress, and one of only seven known to exist, is the very first map of the United States.

Cape Cod’s historic beacon made famous on a potato chip bag.

Historic bar where the Singapore Sling cocktail was invented.

The second-tallest water tower shaped like a peach in the American South.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

Once one of the largest producers of pig iron in the world.

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

The colonial home of Paul Revere during the American Revolution.

A cosmic pit stop just beyond the notorious Area 51.

A vibrant, 100-foot-tall mural dedicated to Evelyn Nesbit, the tragic icon of the Gilded Age.