The plants form a living library and laboratory for researchers and students at Michigan State University.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

World's largest Christmas store.

A restored 114-year-old railroad station heralded as the most photographed depot in the United States.

The writing studio of an American adventure author, built in the style of a medieval castle.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

This freshwater spring fills with 10,000 gallons of water per minute.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Discovered by a soldier during the Revolutionary War, these springs helped create an iconic South Carolina ginger ale.

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

The world's longest known cave system.

Journey through a collection of over 35,000 Halloween items from all generations.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

A glittering Thai Buddhist temple in suburban Pennsylvania.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.