An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.

A modern zoetrope on the New York City subway.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

An annual extravaganza of Broadway theater memorabilia.

Wine bottle sculpture with a ship's stateroom inside.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

With over 10,000 lights, this engineering marvel lights up the city after dark.

You'll find just about anything in this funky Tbilisi flea market.

Liechtenstein's royal family calls this medieval alpine castle home.

Climb a set of vertiginous stone steps to the top of this impressive ancient edifice.

It's believed that this small church was connected to the Hagia Sophia via a secret tunnel.

Giant, friendly pelicans in Central London, the most unlikely of places.

A hands-off space for graffiti artists to hone and display their skills.

Black cat statues guard this temple-like Egyptian revival factory.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.