At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

A crumbling hospital from the 1850s on Roosevelt Island.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Three hundred years of preserved Spanish colonial history in San Antonio.

Continuing the tradition of the dime museum in style.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

A house filled to the brim with oddities and curiosities.

A walk through the historic city center, under the streets of Seattle.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

100-year-old shipwreck you can walk up to at low tide.

Walk into the 19th century without leaving Brooklyn.

One of the world's largest model railroads is a mind-boggling achievement.

The remains of a 19th century spring, and the site of an infamous unsolved murder.