A sculpture serving as an homage to Pope John Paul II.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

Where a demonstration led to equal rights for one of California's most marginalized communities.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The astonishing collection of an infamous criminologist.

A portrayal of two lamps embraced and in love.

See every month of the year personified at this opulent Turinese fountain.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

The world’s largest Masonic temple was saved by the White Stripes.

This sprawling bookstore spans four floors and has more than a million books in stock.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Wander down a side street dedicated to one of the members of the Beat Generation.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.