This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

This painted marvel is San Francisco's 400-foot ode to urban biking.

The miraculous hydrant that saved the Mission District in 1906.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

The original place where water met land in the City by the Bay is outlined in brass.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

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

This residential door allows San Francisco muggles a glimpse at the wizarding world.

Visible below the waves are memorials to the city's Gold Rush dead.

A huge musical instrument played by the ocean.

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

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

A pristine beach on the Gulf of Mexico with deep ties to Pensacola’s Black community.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

A cheeky alleyway window hosts tiny rotating exhibits with outsized charm.

A parade of interactive nostalgia nestled within a giant brick building in downtown Hattiesburg.

Home with Gothic windows featured in a famous painting.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.