Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Years of archaeology, just chillin' by the water cooler.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A hollow cement depiction of time's inexorable effect on the human body.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An extensive collection of ancient Egyptian artifacts and mummies.

San Francisco Bay's ghost town.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

The newsstand that never closes its doors—well, almost never.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

International delicatessen has been owned and operated by the same family for more than 110 years.

Megachurch turned Catholic church comprised of 10,000 glass panes.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

The final resting place of a space program monolith.

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

World-famous, Pink's still manages to keep its prized cult fetish status.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Shop selling 500 flavors of soda has something for everyone.

America's most famous piece of self-built architecture.