The 28-foot granite map plots the locations of 40 theaters in New York City.

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

New York City's first Modernist house.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

A gaudy painted elephant stands in memory of south Florida's fallen carnies.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The highway's southernmost spot is a beloved local attraction.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

A whale of a public art display towers atop Juneau's cruise ship dock.

A historic freight system that found the true gold rush is in tourism.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The ruins of this Alaska gold mine form a gorgeous ghost town.

The king of U.S. high points towers over every other peak on the continent.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

Sites connected to a woman born on a ship and spared by a pirate.

The strange, ritualistic-seeming 100+ year old basement of a New Hampshire undergrad society.

Even Henry David Thoreau found this glacial pothole irresistible.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.