A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A crumbling hospital from the 1850s on Roosevelt Island.

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

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

One of only two commuter aerial tramways in the United States.

A dilapidated dock tells the story of Titanic's missed arrival.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

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

One of the last Jazz Age "Wonder Theaters" in New York City.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Nikola Tesla's former home contains an homage hidden from plain sight.

The oldest surviving synagogue in New York City is now a soaring art space.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

This improbable contraption was passed down through five generations of industrious Tennesseans.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Symbolic attempt to overcome the issues of life.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

An eerie, derelict amusement park in Berlin.

Prehistoric animals decorate this popular outdoor park.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.