Two small markers remember the Alamo's feline protectors.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A serene temple with stunning stained glass hides in downtown Dallas.

Three hundred years of preserved Spanish colonial history in San Antonio.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A modernist landscape of water and sci-fi concrete.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

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

A replica of the Liberty Bell rang daily from West Berlin's City Hall throughout the Cold War.

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

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

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

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.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

The prototype for all Nazi concentration camps.

A restaurant and observation deck built in a unique broadcasting antenna.

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

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

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 tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.