A secret greenspace hides atop a Capitol parking garage.

A historic arena where the Beatles played their first concert in the U.S.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

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

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

This Connecticut video store has a vast and varied archive that contains everything from 'Koyaanisqatsi' to 'The King's Speech.'

The last blast furnace to close in New England offers a rare window into the region’s once-thriving iron industry.

The last surviving 19th-century blast furnace in Connecticut.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

A family agreed to sell their property to Disney on the condition that this tree, planted as a wedding gift, would not be removed.

For more than a century, Parisians have come for affordable dishes in a grand converted train station.

This massive library holds what was once the largest book collection in the world.

For over 300 years this little carving has been the city’s good luck charm.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

France's most famous cemetery, with some of its most curious tombs.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.

A "haunted" landmark on the coast of Southern California.

An early-19th-century hotel with a past that is steeped in the Civil War.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

A statue honoring 44 continuous years of greeting passing ships.