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

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

One of downtown Berlin's last reminders of its Communist past.

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

A historic fire call point.

One of the world's heaviest musical instruments towers within a popular urban park.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

A mural of a boy making a phone call connects a southern Maine community to a town in Iraq.

Honoring combatants from Portsmouth who served in Cuba and the Philippines during the Spanish-American War.

A sculpture made from recycled materials and hand-blown glass dedicated to transportation and transformation.

This old-fashioned carhop restaurant gave the world the waffle cone.

Sites connected to a woman born on a ship and spared by a pirate.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

San Diego's most historic and haunted home.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This jagged colossus of a building is mostly held together by an enormous concrete exoskeleton.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This tiny home was originally a narrow alleyway.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.