Attraction
81. Adler Planetarium
The Adler Planetarium, opened in 1930 on the Museum Campus lakefront, mixes dome theatre sky shows with space exhibitions, historic instruments and a public observatory.
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82. Audubon Aquarium
A riverside aquarium at the foot of Canal Street with a walk-through tunnel, penguins, a white alligator and a shark touch pool, with entry to the Insectarium included.
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83. Ballard Locks (Hiram M. Chittenden Locks)
Opened in 1917 at the west end of Salmon Bay, the Ballard Locks lift boats between the lakes and Puget Sound and have a fish ladder used by migrating salmon.
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84. Bill Baggs Cape Florida State Park
Bill Baggs Cape Florida State Park on Key Biscayne combines a highly rated beach, restored native habitats and the 1825 Cape Florida Lighthouse.
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85. John F. Kennedy Presidential Library and Museum
I. M. Pei's presidential library on Columbia Point in Dorchester, with permanent exhibitions on John F. Kennedy's campaign, presidency, the space race and the Kennedy family.
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86. Legion of Honor
The Legion of Honor is a 1924 fine arts museum in Lincoln Park, modelled on a Paris palace, with ancient and European art and views of the Golden Gate.
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87. Library of Congress (Thomas Jefferson Building)
The ornate 1897 home of the Library of Congress on Capitol Hill, with a gilded Great Hall, exhibitions and short walkthroughs of the Main Reading Room.
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88. Natural History Museum of Los Angeles County
Opened in 1913 in Exposition Park, the Natural History Museum holds dinosaur fossils, gems and minerals, wildlife dioramas and gardens, and suits families and science fans.
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89. Solomon R. Guggenheim Museum
Frank Lloyd Wright's spiralling white rotunda on Museum Mile houses modern and contemporary art and is part of a UNESCO World Heritage Site.
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90. Springs Preserve
180-acre cultural and natural site built around the original Las Vegas Springs, home to the Nevada State Museum, botanical gardens, trails and family attractions.
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91. Boston Public Library Central Library
The Boston Public Library's main branch on Copley Square, with Charles McKim's 1895 building, the Bates Hall reading room and free entry for everyone.
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92. Garfield Park Conservatory
Designed by Jens Jensen in the early 1900s, Garfield Park Conservatory is a large glasshouse on the West Side with a Palm House, Fern Room and seasonal flower shows.
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93. Getty Villa
The Getty's museum of Greek, Roman and Etruscan antiquities, set in a recreated Roman country house and gardens above the Pacific Coast Highway in Pacific Palisades.
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94. Olympic Sculpture Park
Run by the Seattle Art Museum, the free Olympic Sculpture Park is a nine-acre waterfront park with large works by Alexander Calder, Richard Serra and others.
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95. Palace of Fine Arts
The Palace of Fine Arts is a classical rotunda and colonnade beside a lagoon in the Marina, rebuilt from the 1915 Panama-Pacific International Exposition.
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96. The High Line
A disused elevated freight railway on Manhattan's West Side reimagined as a planted public walkway, with gardens, art and city views.
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97. The Historic New Orleans Collection
A free museum and research centre on Royal Street devoted to the history and culture of New Orleans and the Gulf South, with French Quarter galleries and a courtyard café.
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98. Valley of Fire State Park
Nevada's oldest state park, around 50 miles north-east of Las Vegas, known for red Aztec sandstone formations, ancient petroglyphs and short desert hikes.
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99. Venetian Pool
The Venetian Pool is a historic spring-fed public pool in Coral Gables, created in a former limestone quarry and opened in 1924, with waterfalls and grottos.
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100. Washington National Cathedral
A Neo-Gothic Episcopal cathedral on Mount Saint Alban, finished in 1990 after 83 years of building, with stained glass, carved grotesques and garden views.
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