The site of Paul Revere's historic two lantern warning.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The magic's in the hole!

This municipal playground was co-created by the father of one of the most playful characters ever.

California's own majestic geyser is powered by a subterranean volcano.

A trash dump made beautiful by nature's power.

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

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

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

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

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Furniture tries to escape an abandoned building in San Francisco.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The celebrated eyesore created by starry-eyed sweethearts.

This mysterious series of teeny guerrilla installations sheds a whimsical light on street art in Oakland.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

The palatial McDonald's that inspired Wesley Willis.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

An alley covered with 20 years of bubble gum.

Antiques by the Bay.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.