This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A modern mechanical planetary system, part of a 10,000 year clock.

This natural wonder is disappearing at an alarming rate.

This legendary urban waterfall creates a dazzling display of rainbows.

Elevated freight railway turned wildly successful urban park.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

What is the Thing?

A cozy cafe tells the remarkable story of how one man started with a little red paperclip and wound up with an entire house.

Kitschy steak joint where customers can cook their own meat over an eternal flame.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Icelandic settlement in Manitoba established in 1875.

Underground tunnels once home to crime are now back open to the public.