Stroll through retro Paris while shopping for old postcards and discarded doll heads.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

Detailed facade of a brownstone in Boerum Hill.

A cargo of beautiful music.

Abandoned power station once home to a squatter community, now being developed into an arts center.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

A hidden architectural treasure in New York's Brooklyn.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

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

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

A terrific purveyor of natural history objects and curios.

New York City's only preserved family home from the 19th century.

A Natural History and Science Emporium.

Peek through the gates at this oasis from the city, full of Old English charm.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Visit the site of a subway powered by nothing more than air--and lots of it.

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

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A sprawling nature preserve harbors the world's only living dragons.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

A small Australian farmhouse became an international icon after appearing on a Midnight Oil album cover.