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

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

A bizarre house filled with an astounding array of collections.

A large circus museum with summer performances.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

A historic ballroom host to famous performers from the big band era to 1980s rock.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

With 8,000 pipes this giant instrument is the most versatile theatre pipe organ ever built.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

See where Bill Murray kidnapped a hapless Punxsutawney Phil.

This small-town opera house has appeared much more in national culture and history than its charming setting might suggest.

A wall of chewing gum moonlights as collective art.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.