This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Remains of military submarines built in secret jungle factories by the Tamil guerrillas' naval wing.

A massive fallen water tank bombed by the Tamil Tigers in the final stages of the long Sri Lankan Civil War.

The ruins of this old church are slowing sinking into the sand.

According to Hindu belief, this shallow island chain was created by a god with an army of monkeys.

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

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

One of the oldest baseball fields in continuous use has been hosting games since 1878.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

It took 275 years and four burials to finally put the Mayflower’s most famous passenger to rest.

One-room museum dedicated to India's most enigmatic mathematician.

A once-stately trading fort is now a ruin slowly being consumed by the sea.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

In this truly magical place, rent hasn't been raised since the year 1520.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.