The discovery of these rare, ancient artifacts led to the creation of a new museum.

An homage to the first Spanish cyclist to win the Tour de France.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An otherworldly art experience.

A lively circle of dancers in the Georgian capital commemorates an ancient rite of spring.

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

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

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

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

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

An overlooked memorial honoring the local Washington residents who died in World War I.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

This centuries-old tower hosts endangered bald ibis mating pairs and looms over a pristine beach.

Single runway interrupted by a busy road that cuts across its middle.

The ruins of a 2,000-year-old Roman fishing village perched on one of the best beaches in Spain.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Berlin's old airport.

Visible from both land and sea.

The world-record holder for the longest bridge stretching continuously over water.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

This 18th-century folly is one of Europe's rare "garden mosques."

This ancient oak tree plays matchmaker for singles willing to branch out from the usual dating scene.