Go inside to really appreciate this 500-year-old technological masterpiece.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

A luxuriant botanical garden below sea level.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Elevated freight railway turned wildly successful urban park.

The first piece of public art dedicated to LGBT rights.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

An homage to everyone's favorite prehistoric cartoon family.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

When ecosystems collide in the arid Southwest.

The largest source of fossilized insects anywhere.

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

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

A gigantic 10-foot tall stone man.

This mouldering abandoned mental hospital was once a center for progressive healing.

The oldest continuously inhabited street in America.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.