In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The hallucinogenic center of the ancient world.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

What's that on the side of that building? Va Va Voom, it's Bettie!

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A community gathering place that once housed half-ton tanks and the World's Fair.

The city's oldest Chinese restaurant offers local history and seriously good food.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

A museum displaying an impressive collection of pre-contact Makah artifacts.

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

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

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

This bazaar is one of the oldest in the Arabian world.

This indoor ski resort has a mountain contained inside a mall.

The home of half the world's population of critically endangered mountain gorillas.

Burial site of the world's most widely known researcher on the endangered mountain gorilla.

The farmhouse owned by the Danish author who wrote "Out of Africa" is now a museum honoring her legacy.

This colonial fort is an intriguing example of Renaissance military architecture.