Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

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

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

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This replica of the Greek structure is in the heart of Nashville.

The home of the artist credited with introducing the tomato to the American diet.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Oldest synagogue in the United States.

A 60-room castle constructed by a horse-racing heir.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

A museum devoted entirely to hammers has more than 1,400 items on display dating back to the Romans.

A historic freight system that found the true gold rush is in tourism.

This whimsical stacked cabin looks like something out of a children's book.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

It houses the remains of a 17th-century version of the Titanic.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.