This hike brings visitors closer to Taipei 101, once the world’s tallest building, than any other trail.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

It houses the remains of a 17th-century version of the Titanic.

This church was transported brick by brick from the ruins of a 16th-century city into Panama City's current historic district.

Known as one of the most famous parks in Honduras.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

This massive Maya archaeological site is home to the tallest man-made structure in Belize.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

This "witch's market" is filled with Amazonian herbs, remedies, and the occasional libido-strengthening tincture.

The largest market in Guyana, designed and built by the Edge Moor Iron Company of Delaware.

Georgetown’s most impressive building is also one of the tallest wooden churches in the world.

This historic stadium was built to host the first-ever FIFA World Cup.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

What was once a unique system of urban elevators is turning into a mechanical ruin.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.