From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.

Located just off the southern coast of France, Monte Carlo beckons you with glittering pebble beaches, old-world charm, and stunning architecture.

Once a big, bustling sea port for the Scottish wool trade and known as Kampvere, Veere is now a small village whose economy mainly relies on tourism. A major point of interest for visitors is the Campveerse Toren (Campvere Tower), built as part of the city defenses around 1500 and now serving as one of the oldest inns in the Netherlands

The Darvaza Gas Crater, famously nicknamed the “Door to Hell,” is one of Turkmenistan’s most extraordinary landmarks. Located deep in the Karakum Desert, this fiery pit has been burning continuously since the early 1970s, when Soviet engineers reportedly set fire to a collapsed natural gas field to prevent the spread of methane.

This energetic city is home to three UNESCO World Heritage Sites: the Elephanta Caves, Chhatrapati Shivaji Maharaj Terminus, and the city's distinctive Victorian and Art Deco buildings. It is the largest city in India and contains 7 distinct districts. There is so much to see here, but the most popular tourist attractions are typically concentrated in South Mumbai such as the Elephanta Caves, the Gateway of India and Chhatrapati Shivaji Maharaj Terminus.