This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The site of Paul Revere's historic two lantern warning.

A centuries-old church stands as a testament to Boston's "father of architecture."

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

An artist's cute bronze subway sculptures belie his violent artistic past.

Elevated freight railway turned wildly successful urban park.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The "lovely red Vega" of the legendary record-settling pilot.

Home to items never before seen by the public.

These haunting ruins belong to an ancient village that once had one hell of a view.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Scattered throughout London are ancient remnants of the city's former bounding wall.

London's smallest police station is barely the size of a phone booth.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.