This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The palatial McDonald's that inspired Wesley Willis.

A Museum of Holography frozen in 1974.

These pretty kitties killed and ate as many as 135 railway workers.

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

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

The final residence of an educator, civil rights leader, and presidential advisor was also the first headquarters of the National Council of Negro Women.

The National Park Service’s best-kept secret with views that rival any in D.C.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The "lovely red Vega" of the legendary record-settling pilot.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The national park was once a plantation estate.

A luxuriant botanical garden below sea level.

New Zealand's only running funicular railway.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Step inside Lucy, the world's largest "elephant."

Frank Lloyd Wright died a year before construction on his largest public project even began.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.