One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

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

The rusting remains are visible sticking out of the waters of the Delaware Bay.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

This old-fashioned carhop restaurant gave the world the waffle cone.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

You thought Santa Claus didn't exist, but it turns out you were wrong.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Why have you never heard of the second most popular tourist site in New York?

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The first American department store, and home to the largest operating musical instrument in the world.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.