The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

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

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

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

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

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

Ride the subways of yesteryear.

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

A New York garbage depot holds a secret collection of weird and wonderful refuse.

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

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

New York's oldest magic store.

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

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

The oldest church in Iceland is one of the few to feature ornate decoration.

This secluded Iceland farm holds the collected works of one rural sculptor's creations.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This remote eatery and museum is preserved as a time capsule of a small Icelandic fishing town.

At this museum in Iceland, visitors can sample fermented Greenland shark.