The final resting place of soldiers' loyal canine companions.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The world's tallest statue of an American hero.

World-famous, Pink's still manages to keep its prized cult fetish status.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The legendary building that needed ghostly approval before being built.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The fairy tale castle of the "fairy-tale king."

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

An ancient knight and a symbol of the city's freedom.

A curious cave church carved into the face of a cliff.

A tiny church on a man-made island in the Adriatic.

Ancient serpentine sacrifice holder that has stood the test of time.

A marvel of Byzantine engineering under the streets of Istanbul.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

3,000 market stands in five former Zeppelin hangars.

A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

One of only two commuter aerial tramways in the United States.

Slyly buy a shake in the Parker Meridien lobby.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.