Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

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

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

Take a step into the workshop where Edison and his employees revolutionized the world.

A trompe-l'oeil statue honoring the first guide dog in North America.

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

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

Where the Great Wall of China meets the sea.

Tubing through a cave lit with glowworms is a magical underground experience.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Go surfing on this urban wave, "hacked" by local surfers.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This lurid German fountain plots the sad course of marriage from dating to death.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

There must be a pun in this haystack somewhere...

Avoid gangster interaction while window-shopping.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.