One of Ireland's most infamous prisons for rebels including men, women and children.

The ancient tomb acts as a calendar that keeps perfect time.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

The world’s largest LED display, built over an F1 race circuit.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Its columns were all carved from the same white oak tree.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Designed to honor the birthplace of Buddha.

One of the largest pagodas in Nepal is a 13th century testament to regional craftsmanship.

Towering at a height of over 30 meters, this turn-of-the-18th-century landmark is the tallest temple in Nepal.

Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.

The former stronghold of the Malla Dynasty has remained virtually unchanged since the 17th century.

A Himalayan monastery claims to have a piece of a centuries-old abominable snowman.

Last stop before the top of the highest peak in the world.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

The oldest experimental corn field in America is still creating better ways to grow crops.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

Beautiful scenery, history, science, and physics come together in this remnant of shipping lore.

Over 60 chemical plants and oil refineries sit in a 15-mile-wide section outside town.

The world's only bushplane museum captures the spirit of the early planes and pilots and their contributions to northern life in Canada.