Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The best place in the world to buy tinned fish.

A unique seaside cave where Aleister Crowley faked his own death.

An underground city of salt.

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

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

An impressive collection of dollhouses and an homage to the frog-leg canning industry.

Is this the most Portland place ever?

This historic mansion was built as a symbol of love between a husband and wife.

A motel dedicated to Southwestern nostalgia.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

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

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

One of the few surviving "Wigwam"-themed motels.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

The abandoned personal amusement park of the King of Pop.