Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

This bike path traverses the treetops.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

Yo, Adrian!

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

A toxic ghost town sitting atop a massive coal fire.

A natural dome made of volcanic glass in Inyo National Forest.

An overgrown garden stands as a grim marker of an unrealized dream.

The final resting place of a controversial man who was instrumental in plucking the banjo from obscurity.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

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

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

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.

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

Yup, that's a 330-foot yacht passing over the highway.

Toss a Frisbee through the ruins of this Colorado gold mining town.

This magnificent Art Deco church is a reflection of Lithuania’s turbulent history.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

This "floating railway" is one of the world's oldest monorail systems.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A spring-fed pool so deep it's used for scuba diving as well as swimming.