Christiansborg Palace (Christiansborg Slot)

#1 Nyhavn Situated in the central Indre By neighborhood, this bustling area once served as Copenhagen's commercial port. Today, the region features a variety of eateries inside its restored homes, some ... Read more » MissPassionPhotography / iStock / Getty Images

#2 Walking Tours Copenhagen's relatively small size and concentration of noteworthy sights in the central Indre By district make it easy to explore on foot. Available walking tours range from food-focused experiences with ... Read more » Christian Kober / robertharding / Getty Images

#3 Kronborg Castle (Kronborg Slot) Though you'll have to trek 32 miles north of Copenhagen to reach Kronborg Castle, this UNESCO World Heritage-listed structure in Helsingør can't be missed. Built in 1574, this ... Read more » Peter Zelei Images / Getty Images

#4 Christiansborg Palace (Christiansborg Slot) Located on Castle Island in Copenhagen's Indre By neighborhood, Christiansborg Palace houses offices for Denmark's queen, Parliament and prime minister. Rebuilt in 1928 after the two former palaces ... Read more » Kateryna Negoda / Getty Images

#5 Rosenborg Castle Located west of Frederiksstaden, Rosenborg Castle was constructed during the Dutch Renaissance and completed in 1633 by King Christian IV. Today, visitors can see how the royal lived during that time ... Read more » Rainer Mirau / Getty Images

#6 National Museum of Denmark (Nationalmuseet) The National Museum of Denmark is considered one of Europe's best museums. It presents the broad spectrum of the country's history – from the days of the Vikings to ... Read more » Lonely Planet / Getty Images

#7 Church of Our Saviour (Vor Frelsers Kirke) One of Denmark's most iconic religious sites is the Church of Our Saviour in Christianshavn. Built in the 1680s and opened in 1696, this Palladian-style church was designed by ... Read more » krugli / iStock / Getty Images

#8 The Little Mermaid (Den Lille Havfrue) One of Copenhagen's most iconic attractions is its Little Mermaid statue. Located in Østerbro just south of Langelinie, the neighborhood's pier, the statue is based on the ... Read more » Morten Falch Sortland / Getty Images

#9 Round Tower (Rundetaarn) Located a few blocks north of Strøget in downtown Copenhagen, the Round Tower, completed in 1642, is one of the city's many landmarks built during King Christian IV's reign ... Read more » mikeinlondon / iStock / Getty Images

#10 Ny Carlsberg Glyptotek If you're a fan of art and archaeology, then you'll love perusing Ny Carlsberg Glyptotek's exhibits. Founded in 1888, this museum and research institute houses more than ... Read more » Richard Cummins / Lonely Planet Images / Getty Images

#11 Tivoli Gardens Located just inside Indre By's southwestern boundary – a short walk from Strøget – is Tivoli Gardens. First opened in 1843, this property is now one of Europe's most ... Read more » Charlie Harding / robertharding / Getty Images

#12 Strget Situated in Indre By between H. C. Andersens Boulevard and King's New Square, Strøget is one of the longest pedestrian streets in Europe and Copenhagen's largest shopping area ... Read more » Yadid Levy / robertharding / Getty Images

# Bakken Read more » Krista / Flickr

# Torvehallerne Read more » AsianDream / iStock / Getty Images

# Segway Tours Copenhagen Read more » Issaurinko / Getty Images

# Copenhagen Zoo Read more » Martin Llado / Lonely Planet Images / Getty Images

# The David Collection Read more » Neil Hester / Flickr