Places Brett Iredell Wants to Go

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

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

This small Catskills village has six independent bookstores and more bookshops than restaurants.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

Natural rock water slides hidden in the remote forests of northern Idaho.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

Nikola Tesla's former home contains an homage hidden from plain sight.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

A young woman's senseless murder led to the controversial psychological theory of the "bystander effect."

Part bookstore, part café, and part forest.

The only castle in North America to ever house European sovereigns.

The official Presidential Residence of Los Pinos became an emblem of Mexico's opulence and presidential corruption.

The most biologically diverse protected area in Africa is also the most dangerous.

Every president in history is immortalized in bronze in downtown Rapid City.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

A bright turquoise river cascades beautifully down stepped terraces in southern China.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

The world's largest ecosystem of its kind is home to South America's only native species of bear.

This park on the outskirts of Rome boasts two ancient Roman aqueducts and a medieval tower.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.