A bit of retro transportation flair preserved in the world's largest department store.

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

This black shoreline is made up of exploded lava particles.

An architect's childhood fantasy treehouse made real.

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

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Step back in time on this preserved 1800s farm.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A fitting attraction for the corn capital of the world.

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

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

A monument celebrating the idea of reaching inaccessible places.

A statue honoring 44 continuous years of greeting passing ships.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

Georgia's highest point was given its strange name thanks to a simple translation error.

An impressive collection is dedicated to the legendary beast.

Ruins of a Carnegie family mansion on Cumberland Island.