Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

This simple apartment may have inspired some of the most important theories in the history of science.

A historic observatory precariously perched at the "Top of Europe."

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

A reminder to choose water over wine since 1888.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

The most confusing clock in New York.

The only subway station in the city that still makes use of gap fillers.

The site of the deadly Triangle Shirtwaist Factory Fire.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Amid skyscrapers and traffic exists this unique aquatic ecosystem.

The oldest living tree in Manhattan comes shrouded in sinister legend.

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

An aptly-named street near the birthplace of the modern LGBT rights movement.