Stumps of an Ice Age forest, visible only at low tide.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

No one really knows how these old hobby horses got here, but the herd keeps growing.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

One of the few brewers in the U.S. experimenting with hop-free beers.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

One man is on a singular quest to name an island after a famous hip-hop artist.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

More than a century of radio history is told in these displays.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

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

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The world's second-largest sundial, made entirely out of stone.

A blooming house of worship for the masses.

An ancient iron pillar in Delhi that seems to be rustproof.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Pivotal home of Nobel Prize winner Pablo Neruda.