In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

The final resting place of 19th-century sailors previously banned from being buried within Portuguese Macau.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

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.