A library and museum dedicated to typography.

The restored and active Victorian-era final resting place of San Francisco.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

An essential stop before plundering, BYO Cutlass.

San Francisco's newly reopened hands-on science museum.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A 140-year-old castle with underground caves hidden in San Francisco.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

In Midtown Atlanta, tons of marble appears to be devouring a Fiat Panda at this unique art installation.

A vast collection of rare, historical, and vintage supercomputers.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

These early tent-shaped grave coverings are unique to Appalachia.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

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

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.