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

Splashes of blue in an otherwise monotonous lunar landscape.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

Legends surround this jagged rock formation in the New Mexico desert.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

A lighthouse marking the northernmost point of continental South America.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

The highest point in Washington state is a volcano covered in glaciers.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Walk the whole Mississippi River!

This private residence was the template for one of the most beloved television homes of all time.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

These aggressively sustainable art homes look like something out of 1970's science fiction.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

An homage to everyone's favorite prehistoric cartoon family.

When ecosystems collide in the arid Southwest.