This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

This quaint museum in a long-running workshop is dedicated to a fixture in New Orleans lighting.

After the oysters have been shucked, and the restaurant's been shuttered, the terrazzo sidewalk from the 1940s is all that remains.

A touching statue dedicated to Japan's first therapy dog.

Peer into this window for an interesting glimpse into the public utilities that make this city run.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

Unique antiquarian shop specializing in globes, maps, and prints.

Unrepaired walls from a 1920 anarchist bomb attack.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Visit the monolithic tomb of America's most famous general.

The site of the deadly Triangle Shirtwaist Factory Fire.

Play heads or tails with thousands of different coins.

Set sail on a small scale.

Become a prohibition rebel.

New York City's smallest piece of private property.

Red frames showcase remnants of one of New York's original subway stations.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

Walk over a 150 year old manhole.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

An odd museum dedicated to French fakes.

A museum which takes visitors to the côté obscure of Paris.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.