Street artists transformed an abandoned air vent into the beloved Star Wars robot.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Walk through Czech history in Prague's largest graveyard.

Two stunning 17th-century libraries and a cabinet of curiosities.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

The scars of World War II are preserved on its walls.

A subterranean display of public art and architecture.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The place where Dvořák composed some of his most famous works.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A small piece of the composer's New York home lives on in the center of Czech culture in Manhattan.

A retired oil tanker now offering amazing views of New York City.

Before online banking and smartphone apps, there was "commuter banking" in the subway in Downtown Brooklyn.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

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.

Once a dumping spot, now a park with a kayak launch.

Retribution for death of infamous mob boss Franie Yale was a case of mistaken identity.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

A ruthless Soviet relocation campaign birthed a new cuisine, and this humble restaurant.