A modernist landscape of water and sci-fi concrete.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

An emerald-green grotto just a short trip from Austin.

The final resting place of infamous outlaw Clyde and Marvin Barrow.

A serene temple with stunning stained glass hides in downtown Dallas.

Couple's personal collection of pinball machines turned public pinball museum.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

This three-story antique market and curiosity emporium claims to be "the largest singly owned antique shop in the Pacific Northwest."

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

A Seattle oddities shop brimming with Victorian-era gems and antique curio.

Its buzzing collection honors vibrator history.

An emporium for the weird, creepy, rare, and just plain gross.

The site of the climactic scene from the classic horror film is now a historic landmark.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A trash dump made beautiful by nature's power.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A semi-scholarly approach to sex.

A winding path built in secret on the edge of the continent.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

New York's oldest magic store.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.