A grand imperial capital left to fall into magnificent ruin.

Gigantic unfinished stupa and the world's 2nd largest bell.

A layered tribute to the work of mosaicist Isaiah Zagar.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

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

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

An exotic wildlife habitat right off The Strip.

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

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

Semi-recognized center of the world, with many oddities.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Limestone caves with spectacular showcase chambers.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

New Zealand's only running funicular railway.

A charmingly old-fashioned reminder of the historic building's former life.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Tijuana's legendary jai alai or "basque ball" palace is now a massive music venue.

Mexico's first public cable car soars over the congested streets outside Mexico City.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

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