World-famous, Pink's still manages to keep its prized cult fetish status.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The most decorated dog of World War I is preserved in the Smithsonian.

San Francisco's newly reopened hands-on science museum.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A huge musical instrument played by the ocean.

A terrific purveyor of natural history objects and curios.

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

An astounding collection of medical specimens, including bits of President Lincoln.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Neighborhood in Jerusalem is home to the ultra-orthodox haredim.

An ancient Egyptian temple in the middle of Madrid, Spain.

A living time capsule of the 1960s Richardson Bay water-front.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Megachurch turned Catholic church comprised of 10,000 glass panes.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

A museum glorifying the life of Stalin, located in the city of his birth.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Abandoned silver mine strewn with wrecked and twisted structures.

Former headquarters of the KGB.

Stalinist skyscraper built with help of cryotechnology.

Gargantuan home of Russian science.

Home of the future Emperors of Russia.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.