Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

Drink wine handed out through a window as part of an age-old tradition.

Halfway up a volcano at the edge of the world’s largest salt flats is a cave with seven mummies.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.

This 18th-century tower is locally iconic.

The world's first crowdfunded skyscraper has not gone quite to plan.

At the site of a graffiti artist's murder, fellow artists gather to pay homage.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The world's most active stratovolcano is almost always erupting.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

Sacred waters rescued from the wrath of a volcano.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A hidden three-foot-wide house separates these two regal churches.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Baroque celebration of the end of the Great Plague of Vienna.

A mud brick kasbah with a history of lavishness and traitorship.

Vast stretch of tide-pools with a unique Moroccan charm.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Hundreds of intricately carved Armenian stone crosses can be found within this huge cemetery.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.