Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

These boots are made for selfies.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A bright little alley in La Boca is a part of tango history.

An enormous and lavish Gothic church in Czechia.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

An open-air sewer system that was covered piece-by-piece over 300 years.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A church of bones, decorated with 40,000 human skeletons.

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

Macabre astrological automaton clock dating to the late 1400s.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Part bookstore, part café, and part forest.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

Minimalist modern art on a repurposed military base in rural Texas.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.