A giant toy jack made of numerous welded-together fire hydrants.

This roadside wonder is as mysterious as it is beloved.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Meet manatees face-to-face at this zoo for native species.

A tribute to Ponce de Leon's supposed quest for eternal youth.

British troops and Prohibition couldn’t stop this spot from becoming one of the United States' oldest continuously-run taverns.

This classic steam-powered train takes tourists on a nostalgic trip around the Connecticut River Valley.

This elaborate towering structure was once famed for its revolutionary height.

This historic steamboat is scuttled just a few hundred feet from where it was built over a hundred years ago.

On the Oregon coast there is a natural hole that seems to be draining the sea.

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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 pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A vertically floating hemlock controls the waves and weather at Crater Lake.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Only known mainland rookery of the threatened Stellar sea lion.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

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

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A luxuriant botanical garden below sea level.