Don't get it twisted: This is the oldest pretzel bakery in the United States.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

One of the few working locomotive roundhouses in the United States.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Elevated freight railway turned wildly successful urban park.

The unbelievably opulent home built for an infamous newspaperman.

Canyon walls shrouded in ferns.

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

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

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

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A lush indoor jungle fills this bustling Madrid transportation hub.

Inside this museum, the history of the Walt Disney Family empire is on full display.

A museum dedicated to the history and exploration of both popular music and science fiction.

A walk through the historic city center, under the streets of Seattle.