The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

The resting place of a Civil War celebrity's amputated limb.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

These unusual rooms on wheels are holdovers from the 1960s.

Outsider art meets paleontology at this roadside reptile repository.

Where three rails and three centuries of transportation meet.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

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

Cold war icon and onetime "hole" in the iron curtain.

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

Berlin's old airport.

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

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

It's always summer at the beach inside this former airship hangar.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A single room pays homage to the prodigious achievements of the 30th President of the United States.

Dedicated in 1895, this is the world's first tribute to the hardworking newspaper delivery boy.

This statue honors the author's groundbreaking family story.