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.

An Inca spa, military outpost or maybe… both?

A Christian monastery stands on what was once a holy Incan temple.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Home to the deepest rift anywhere on Earth.

The largest outdoor art gallery in the Northwest United States.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Millions of numbers carved in glass represent the tattoos forced upon victims.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

These items are all that remain from the room used by the author during his second tour of the U.S.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This statue intended for children to enjoy became a minor political spat.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

Dedicated to one of the darkest moments in Irish history.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

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

This blowhole is supposedly caused by a trapped monster.