One man's extraordinary topiary garden in a small South Carolina town.

Settled in 1696, abandoned after the Revolutionary War.

The remains of a chapel created for convenience.

Oldest unrestored plantation house in America that is open to the public.

An isolated village literally built into the crevices and rock formations of a mountain.

A modernist church in an ancient village.

Vibrant street art created with mixed media.

An underground magnet for ever-changing street art.

A psychological self-portrait in the form of a giant, segmented head.

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

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A historic covered bridge, only one of two remaining in North Carolina.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

Jule Körner's house full of bizarre architectural details.

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

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

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

The Gaudí-inspired building that was the start of Terrassenc modernism.