An eight-sided home built during a brief octagon craze in the 1850s.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

A small Richmond island dotted with the remnants of hundreds of years of history.

The skeletal white beams stand as a monument to religious dissent.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Exact replica of the ancient monument, but much, much lighter.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Bangkok's men with dangerous jobs come here in search of protective talismans.

Derelict airplane bodies serve as both home and income for three Thai families.

This mysterious abandoned fort looks like something pulled right from Arabian legend.

Every December, this stretch of dusty desert road transforms into a catwalk for a camel beauty pageant.

The oldest surviving mosque in the UAE has mysterious origins and unusual architecture.

This indoor ski resort has a mountain contained inside a mall.

The most metal church of all time was built in record time because of an international, pious pissing contest.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

Naturally protected city carved from a rock face.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

A Turkish ghost town abandoned in a population exchange with Greece.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A deadly ancient portal to the underworld.