Some of New York's best tacos can be found in the back of an unassuming bodega in Queens.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Finally, you don't have to be a pious Swedish seaman to relax like one.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

Nondescript elevator doors open to reveal a stunning, surreal world.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

A very classy 1920s-era bar right in Grand Central Station.

A hands-on traveling collection of the innovative devices of yesteryear.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

A 1975 bylaw prohibits the construction of any building that would block the view of this Gothic Revival church.

Locals call this magical moss-covered walkway the "Emerald Path."

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

The most northerly active sand dunes in the world have some very rare botanical residents.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

One of Mother Nature’s geological gems, home to many prehistoric fossils.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

305 homemade stone stairs wind their way up the Hamilton escarpment.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.