Metro station with a claim to rock n' roll fame.

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

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

The most visited, and possibly most controversial, museum in Germany.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

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

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This historic furnace was once used to produce cannonballs during the Civil War.

A monument to the art of slicing people open.

A display of magnificent stained glass windows is the first exhibit of its kind.

The palatial McDonald's that inspired Wesley Willis.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

This historic hotel invented the chocolate brownie.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

A giant Troll lurks under one of Seattle's oldest bridges.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.