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

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Here’s how Robert the Doll earned his reputation as the most haunted doll in the world.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

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

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

This glamorous old building is said to have inspired the Tower of Terror.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

World-famous, Pink's still manages to keep its prized cult fetish status.

A dilapidated dock tells the story of Titanic’s missed arrival.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Resting place of Hollywood's immortals is also site of summer film screenings.

Elevated freight railway turned wildly successful urban park.

The legendary building that needed ghostly approval before being built.

A snapshot of the city's fascinating voodoo culture.