These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

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

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

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

What appears to be an ordinary bridge is actually a rare aqueduct.

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

Legend says this sculpture commemorates a brave baker who rescued the city in the Thirty Years' War.

Striking images of New Orleans history, including colonizers, soldiers, Klansmen, scientists, sharecroppers, and more, are depicted in frescoes that line the walls of this transportation hub.

It's a unique monument honoring a great character who inspired a generation of young women to be more and pursue their dreams.

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The 34th governor of Kentucky was sworn into office while on his deathbed after being shot outside the State House.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Vermont's hills are alive with the sound of music at this historic hotel.

This building contains handprints that are well over a century old.

A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

Inspired by Thomas Stothard's painting of the "Journey to Canterbury," albeit with Canterbury natives.

A set of medieval stained-glass windows tell the gruesome story of a Viking siege.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

A prime example of New Orleans' unique architecture these early 20th century homes were built to look like steamboats.