A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

This vintage short line in Amish country runs passenger steam train excursions and still hauls freight.

A history of the U.S. military, with a focus on Pennsylvania's contributions.

This museum focuses on the history and culture of the German settlers in Pennsylvania.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

A hands-off space for graffiti artists to hone and display their skills.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

This sculpture is an homage to one of the most important Jewish women in medieval England.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

This public lavatory is home to a mini museum that explores toilets through time.

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

The extra platform at Gloucester Road has been used for art displays for over 25 years.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

A totem pole of heads to represent the different stages of life.

Tucked away in a London Tube station, this 1920s linear clock shows the time across the world all at once.

At just 51 feet and 10 inches long, it's the shortest street in England.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

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

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

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.