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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The site of Paul Revere's historic two lantern warning.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Elevated freight railway turned wildly successful urban park.

This splendid tomb may look fantastic, but there's nothing in it...

This symbol of Polish heritage survived the occupation during World War II, hidden in plain sight.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A haunting deserted hotel is a favorite with artists and photographers.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

A gothic church dedicated to the love of wine.

Swedish skyscraper with a 90° twist.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Go surfing on this urban wave, "hacked" by local surfers.

Old cabin-like homes in a rural community untouched by time are known for their vibrant and colorful window shutters.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.