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

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

The first thermometer made with the almost-universal temperature scale is backwards.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

The second oldest anatomical theater is housed in a museum of curiosities.

The second-largest collection of runic calendar staffs in Sweden.

Legend has it this spring formed at the spot where a medieval Swedish king was killed.

A rare rune stone dedicated to a woman.

A large collection of ancient runestones decorates this university courtyard.

The final resting place of the father of modern biological taxonomy.

From the late 19th century until the 1960s, these stone-lined "stumps" were a popular place for people to air their views on local and international issues.

Melbourne's favorite bronze dog.

A beautiful 1920s tower filled with local hidden gems.

A colorful street named for the legendary Australian rock band.

This statue of King George V was beheaded as a protest of colonialism.

This classic photo booth was saved from destruction by the local community.

This Melbourne bank has unique Gothic-style architectural features and is one of the most majestic operating bank branches in the world.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

St. Augustine's record-setting narrow street was designed to protect against pirates.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.