The once highest point in China blends symbolic design with a kick of adrenaline.

A lush desert oasis in the shape of a narrow crescent.

The most famous location in China was home to whole dynasties worth of imperial rulers.

World War II bunker still standing on the New Jersey beach.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Elevated freight railway turned wildly successful urban park.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

It's not a typo, now say it five times fast!

Bouncing, delightful, mechanical art at the MIT Museum.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A once grand hotel is being retaken by the wilderness it once capitalized on.

Local lore claims this park is named after a young woman who jumped off a cliff.

A historic grist mill and active sluice on the Black River.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

A rare view of a preserved Victorian science museum.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

Mysterious rocks that ring musically when struck.

The most confusing clock in New York.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A world-class collection of mechanical musical instruments and automata.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

One of the world's largest model railroads is a mind-boggling achievement.