These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The ritual has been performed uninterrupted for nearly 700 years.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Hear the quietest sound from across the dome.

This steamer is known as "The ship that built Cleveland."

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Advice-columnist's bell tower, paid for with pennies.

The birthplace of the Ford Model T is now a museum full of antique cars.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

Formerly frequented by Hollywood stars and now open for tours.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

A series of labyrinths in the Nevada desert inspire meditation and calmness.

Mysterious meeting place for UFO hunters near Area 51.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The wild west is still alive and well at this authentic mining town watering hole.