A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Try not to get slimed in Tribeca.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A terrific purveyor of natural history objects and curios.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

The world's only museum devoted solely to the art and collection of action figures.

An emerald-green grotto just a short trip from Austin.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A miniature city built by a single hunchbacked monk.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

First LEED-certified gas station in the United States.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

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

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.