The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

The fossilized remains of ancient California redwoods.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

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

Lie in a hammock where George Washington stood.

Wine bottle sculpture with a ship's stateroom inside.

A hidden "place of interment for gentlemen."

A popular European tradition makes its way to the states on one of America's most famous bridges.

A very classy 1920s-era bar right in Grand Central Station.

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

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

One of only two commuter aerial tramways in the United States.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

A hotel and restaurant serving as the mecca of kitsch.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

Elevated freight railway turned wildly successful urban park.