Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

Used as an example in one of the first dictionary entries for "museum" in 1706.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

This 19th-century Turkish bath house survived the Blitz of London and is now an events venue.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

A black and white mural stands out from its psychedelic surroundings.

60 feet of towering steel balances gracefully.

The words of the neighborhood's most famous poets adorn four concrete walls.

The short oil boom of Venice Beach, and its swift removal from the tourism-laden landscape.

The real faces of Venice beach captured on Romanesque columns.

This working class sculpture pounds his hammer all the livelong day.

A wall of chewing gum moonlights as collective art.

Inside this curiosity shop, visitors can peruse the clown collection or purchase a molar from the mouth of Bigfoot.

The city's oldest Chinese restaurant offers local history and seriously good food.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

The unusual burial monument of Arizona's first governor.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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