One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

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

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A mother's mourning for her lost son is remembered in this small park embedded with his memory.

These boots are made for selfies.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

These unusual rooms on wheels are holdovers from the 1960s.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

In the absence of a Chinese-language newspaper, for years the community posted daily updates on this simple bulletin board.

This gold-winged spire celebrates the first true flight around the world.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

One of the oldest continually operating drinking establishments west of the Mississippi.

Corn-inthian columns with a uniquely American take on neoclassical architecture.