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

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

A downtown park built on top of unclaimed graves.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A modernist landscape of water and sci-fi concrete.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A marvel of Byzantine engineering under the streets of Istanbul.

The longest hedge maze in the world.

The hallucinogenic center of the ancient world.

Ancient serpentine sacrifice holder that has stood the test of time.

The world's second-largest sundial, made entirely out of stone.

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

Send a postcard while vacationing with Satan.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

An abstract monument to a symphonic composer.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A subterranean house of worship carved right out of the bedrock.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Breathtaking and huge 430 year old maps of Italy.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.