Here, visitors can swing with the waves of the Pacific Ocean.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

The final resting place of the Emperor of the United States and Protector of Mexico.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

The most beautiful Taco Bell in the world even has surfboard parking.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

A vast city of the dead, where the deceased outnumber the living by more than a million.

Outside San Francisco lies a small clown cemetery and memorial.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

A bronze tribute to a legendary Californian, the self-proclaimed "Emperor of the United States."

A mammoth pair of Civil War artillery guns abandoned out in the forest.

An 18-mile-long tunnel for sewage waste will soon wind within the bowels of Washington, D.C.

The 10-foot-tall vegetables belong to Michigan’s first food rescue program.

Its floors are marked by colorful cues depicting Michigan's native fauna.

These statues pay homage to the "green corridor" of parks and wetlands.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

An ever-evolving wall of graffiti art off East Liberty Street.

Trade in that pesky human soul for cold-hard circuits.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

The city is full of whimsical portals to another world.

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

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

This memorial honors the performers who died when two trains collided.