This plaque marks the former home of one of the first women physicians in the Netherlands.

This unattributed sculpture in Amsterdam is hiding in plain sight.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This chimerical bridge/tunnel appears to dead end right into the sea.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

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

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

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Huge stone depressions which may have acted as an Incan agricultural experiment.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

The Uros people live on floating reed islands in lake Titicaca.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A celebration of Colombia’s premier contemporary artist.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Cathedral carved out of salt, located a mile below the earth's surface.

Constructed on the ruins of a convent, this tower saved countless lives.

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

Pivotal home of Nobel Prize winner Pablo Neruda.

A display of hand-built replicas of the legendary vessels used by Patagonian and Antarctic explorers.