The modern birthplace of Irish freedom.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A little sculpture with a large wardrobe.

This coffee shop lies hidden beneath a historic church.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This ancient Egyptian obelisk still bears the wounds of World War I.

Europe's official "zero-level," the equator of elevation.

Singapore's oldest Hindu temple.

The largest Chinese cemetery in the world outside of China dates back to the 15th century.

Built by the Portuguese colonists in the early 16th century, this fort is one of the oldest European structure in Asia.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

This beautiful fountain was sculpted by a female artist who was ahead of her time.

San Diego's most historic and haunted home.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

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

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

The Giant Lemon of Lemon Grove.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.