Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Climb the dead electric pylons of Messina.

Twelve natural mummies are displayed in the crypt of this former monastery school.

Frida Kahlo's childhood home, now a museum of her life and works.

One of the few guarded stops along the great spice route.

A stunning mosque owes its design to an Ottoman ruler nicknamed "the Butcher."

This subterranean funicular is one of the world's smallest subways.

Squeezing inside this deep, narrow canyon reveals a festival of desert colors.

The home of the Dead Sea Scrolls is an abstract modernist dream.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

Pivotal home of Nobel Prize winner Pablo Neruda.

This museum covers 10,000 years of Pre-Columbian Latin American history.

Eat the ultimate iteration of Portugal's most beloved pastry.

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

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.