This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A concrete mushroom that divided Stockholm residents for nearly a century.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Commemorating the spot where the famous scientist fed his pigeons.

A bit of retro transportation flair preserved in the world's largest department store.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Become a prohibition rebel.

Try not to get slimed in Tribeca.

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

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

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

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

This private residence was the template for one of the most beloved television homes of all time.

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

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

Gargoyle head that brings good luck.