The oldest colonial fortress in the Americas was once the home and later prison of Christopher Columbus.

Built in 1512, the oldest cathedral in the Americas.

The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The ritual has been performed uninterrupted for nearly 700 years.

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

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

Watch the newest land on the planet form before your eyes.

A trompe l'oeil mural remembers the original colonial building that once stood here.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

A massive volcanic plug is now a protected area that hosts a number of bird species.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A hotel and restaurant serving as the mecca of kitsch.

Home to a forest of whimsical pygmy Coast live oak.

A hidden courtyard houses early 20th-century plaster masterpieces.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

This pub boasts a curious history and may have inspired a Dickens character.

Dive bar built out of the remains of a whaling ship.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

The drama of nature in full effect in this Nevada State Park.

Although he donated over 3,000 acres to Los Angles, Griffith's life was marred by controversy.