The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

A relic from a forgotten bakery chain still spins atop a diner.

An abandoned 1930s gas station turned bustling neighborhood park.

Don't bother sending any mail to this ghost town.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

Nancy Thompson's Home from "A Nightmare on Elm Street."

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.

This Chase branch is an homage to Old Hollywood.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Most famous work of one of Frank Lloyd Wright's sons.

Magical-looking cottages that inspired one of the most famous animated films ever.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

This magnificent mausoleum is as much a work of art as it is a historic resting place.