An international border crossing near the famous Iguazú Falls where bargain hunters and curious tourists stream between Brazil and Paraguay.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

With over 10,000 lights, this engineering marvel lights up the city after dark.

You'll find just about anything in this funky Tbilisi flea market.

Men and special assistants stand by the road to sell the day's catch in this lakeside village.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

A geological oddity topped with a 2,000-year-old pagan temple.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

Huge stairway leads to this massive gallery.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

A tiny park in the middle of some big power politics.

A celebration of Norwegian independence, or public art gone wrong?

A cannonball fired during a war against Sweden is wedged in the wall of this old post office.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

This student-run nightclub was originally a World War II bomb shelter.

Both the World War II Allied Forces and NATO have used this modern bunker underneath Malta’s capital.

A centuries-old forgotten underworld lies beneath Malta.

Dynastic Home of the De Piro Family.

A World War II-era sign in Valletta is a reminder of when Malta was besieged so severely that food needed to be rationed.

The eyes and ears of this tower keep watch over Malta’s Grand Harbor.