Largest tulip festival in America, includes fireworks, a parade, and a carnival.

World's largest Christmas store.

Former self-sufficient mental institution now a planned community.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

One man’s vision of living among dinosaurs credits Jesus Christ as the engine of biological evolution.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The city is full of whimsical portals to another world.

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

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Olfactory delights in San Francisco's Botanical Gardens.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An artsy hidden staircase leads to breathtaking views of San Francisco.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.