New Orleans' famous cemetery, located on the site of a former race track.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

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

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

An abandoned World War II bunker is part of a chain that runs throughout Washington.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

A sun-filled museum featuring an ever-rotating collection of classic and exotic cars.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This bridge was constructed from the rubble of the infamous Bastille.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

Walking by this fence is like strolling along a portal to various fictional worlds.

Seasonal, Pacific Northwest cuisine served in a 101 year old firehouse.

A brewery warehouse which doubles as a circus bigtop.

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

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

Every drop of water in this 27-mile long reservoir was pumped up from the Columbia River using power from Grand Coulee Dam.

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.