Grand architectural relics gain a new life in this Pennsylvania warehouse.

The historic building's ornate stained glass fixture has survived the devastating 1906 earthquake, ensuing fires, and multiple redevelopment attempts.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

This massive library holds what was once the largest book collection in the world.

This prehistoric figurine is the oldest known realistic depiction of a human face.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

The last used bookstore in Downtown San Francisco is one of the smallest bookstores just about anywhere.

This historic roadhouse has many tales to tell of San Francisco's early history.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

You might recognize this historic Oregon mansion from its appearance in 'The Goonies.'

Bits of architecture from a town destroyed in World War I now decorate this hotel garden.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

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

The approximate spot where the last Grand Master of the Knights Templar was put to death.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

The famous winding walk at Chartres is surrounded in mystery and myth.

Notorious artist squat renovated into legal studios.