The privately owned cemetery that holds room for Washington's finest when they step down from life.

Art deco landmark on the outskirts of Washington, D.C.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

Most prolific publishing house in the 1600s open to the public.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

“Invented in Key West, Perfected in Brooklyn."

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Slyly buy a shake in the Parker Meridien lobby.

Haven for steampunks.

Ride the subways of yesteryear.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

An artist's cute bronze subway sculptures belie his violent artistic past.

A terrific purveyor of natural history objects and curios.

Avoid gangster interaction while window-shopping.

Elvis's own personal tropical hideaway.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A nostalgic bibliographic gem.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A tiny piece of the Moon is embedded in this stained glass masterpiece.