These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The resting place of a Civil War celebrity's amputated limb.

This home is decked out like a psychedelic explosion of colors and bowling balls.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

Recycled junk and fishing buoys litter the yard and facade of this bait shop cum art project.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The ancient tomb acts as a calendar that keeps perfect time.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Bat house that has only ever housed bat for one night; they all flew away and never came back.

The world's largest private aircraft collection.

A museum dedicated to exhibiting remarkable outsider art.

America's post-nuclear-attack chambers of Congress.

The only recreation of William Shakespeare's indoor playhouse.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

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

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

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.