Home of Howard Hughes' Spruce Goose.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This museum was once the home of industry titan Matilda Dodge Wilson.

World's largest Christmas store.

Just below the surface, shrimp are producing temperatures hotter than the sun.

For divers and music lovers, the Florida Keys' Underwater Music Festival provides the best of both worlds.

One of the largest Native American shell middens stands 30 feet tall.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Beneath the city of Lourdes, France is a massive, concrete church.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

Ornate and vibrant, this temple is a colorful place of worship for Columbus's Thai and Laotian communities.

In this relatively flat state the highest point is an honored place.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

See massive fossils that are over 200 million years old in northeastern Arizona.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

The largest freshwater lake in the Florida Keys.

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

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.