The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

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

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

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Home to items never before seen by the public.

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

An Irish Memorial commemorating those who perished due to potato blight.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The world's largest frame offers spectacular views of the city's past and present.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This indoor ski resort has a mountain contained inside a mall.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

Whitewashed mosque contains the world's largest carpet.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

Taiwan's last Chinese character letterpress preserves the dying art of Chinese character mold making.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

These impressively detailed battle scenes depict the violence and tragedy of war in miniature.

This supermarket is suspended 25 feet above an interstate highway.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This impressive Boston holy house is the American mecca for Christian scientists.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.