Work began in 1858 but was halted during the Civil War and resumed in 1865. It was completed in 1878 and dedicated on May 25, 1879. It was declared a National Historic Landmark in 1976.
The Dome has hosted 6 Super Bowls; more than any other sports facility. In the aftermath of Hurricane Katrina the Dome was closed for repair and was reopened on Sept 25 2006. The Saints won that night
This is America's very first hospital, with a cornerstone laid by Benjamin Franklin in 1752. During the Revolution, the hospital treated both British and American soldiers.
Its 9,200 acres make up 10 percent of Philadelphia. Rather than a single park, it's actually a collection of 63 regional and neighborhood parks. In 1876 one of the first World's Fairs was hosted here.
The Capitol is among the most architecturally impressive and symbolically important buildings in the world. Begun in 1793, the Capitol has been built, burnt, rebuilt, extended, and restored.
Completed in 1800, The White House is the oldest public building in Washington, DC and has been the home of every president except George Washington.
Arizona State University's Sun Devil Stadium has played host to some of the best football games for more than four decades.
A group of Spanish explorers made the first written record of the tar pits in 1769. The oldest known material from the tar pit dates back over 38,000 years.
Opened in 2001, the theatre seats 3,401. The Grand Staircase is surrounded by columns displaying the names of Academy Award Best Picture winners with blank spaces left for future winners.
"LIFE! DO YOU HEAR ME? GIVE MY CREATION... LIFE!" It was here that the medical school scenes were filmed in Mel Brook's 1974 classic comedy Young Frankenstein.
In 1984, Mary Lou Retton Retton pulled off a unanimous perfect 10 and won the gold becoming the first American woman to ever win an individual gold medal in Olympic gymnastics.
Starting from his home, Paul Revere set out on his famous midnight ride in 1775 to warn his compatriots that the British were coming. Built in 1680, it is one of the oldest houses in downtown Boston.
In 1971, Ray Tomlinson, a scientist at BBN Technologies and the father of e-mail, told the BBC that his first message was "completely forgettable" but he suspects it was something like "Testing 1-2-3"
Built in 1903, it's the nation's oldest stadium, & home to the school's football team. Harvard's biggest rival has been Yale, & the most famous confrontation came on Nov. 23, 1968 when they tied 29-29
From 1908 to 1921, this eight story, Second Renaissance Revival structure in San Francisco's financial district served as headquarters for Bank of Italy (later renamed Bank of America).
This is one of the few surviving colonial-era churches in NYC. George Washington, along with members of the U.S. Congress, worshipped here on his Inauguration Day, on April 30, 1789.
In 1853-54, NY's first world's fair, the Crystal Palace Exhibition, took place here. A huge iron-and-glass structure was erected to house 5,272 exhibitors from 23 foreign nations and across the U.S.
The Starbucks was once a barbershop & location of one of history's most notorious mob hits on October 25, 1957 when Albert Anastasia was shot to death.
This landmark 1913 theater is said to be haunted by Louis Borsalino, an acrobat who fell to his death during a performance here in the 1950s.
The Denver Zoo has long been an innovator in re-creating realistic habitats: Bear Mountain, built in 1918, was the first animal exhibit in the U.S. constructed of simulated concrete rockwork.
The Zoo was founded in 1888 & is Oregon's largest paid attraction. In 1962 Packy, the first elephant born in the Western Hemisphere in 44 years, was born. He is the tallest Asian elephant in the US.
The garden opened to the public in 1967 & is considered to be one of the most authentic Japanese gardens outside of Japan.
Opened in 1926, Pelé played his last non-exhibitional game with the New York Cosmos here in 1977. The synthetic turf playing surface can be configured for baseball, soccer and football.
The garden opened in 2000. Most of the plants featured in the garden are indigenous to China, but no plants were brought from China due to import bans. Some plants in the garden are 100 years old.
Development began in 1966, and the system opened in 1987. In the first year, an average of 11,000 riders used the People Mover each day; the one-day record was 54,648.
The opulent $800-million MGM Grand Detroit is the first-ever Las Vegas style destination to open in a major metropolitan core. It is the only resort-style spa in southeast Michigan.
Originally built for the symphony in 1919, this building was saved from destruction and now houses the Detroit Symphony Orchestra, which is the fourth oldest orchestra in the United States.
The museum opened in 1929 & is dedicated to the study of the role Sweden & Swedish Americans have played in US culture & history. The Turnblad Mansion Museum features exhibits & special events.
SeaWorld was founded in 1964 on 22 acres by four graduates of UCLA. Their original idea was to build an underwater restaurant. The park grew into a marine park now spanning 189 acres.
Placed in reserve in 1835, this is one of the oldest sites in the U.S. dedicated to public recreational usage. It is named after the Spanish explorer Vasco Núñez de Balboa.
