Frankfurt Cathedral, with its 95-metre tower, dominates the city centre's skyline. Dedicated to St Bartholomew in 1239, it became the site of imperial coronations for the Holy Roman Empire, with ten kings crowned here between 1562 and 1792.

Aix-en-Provence, or simply Aix, is a beautiful university city located in the heart of Provence, known for its picturesque Old Town, stunning architecture, and vibrant cultural scene. Founded by the Romans in 123 BC, Aix is steeped in history and boasts an impressive array of architectural styles, from medieval to modern. It is often referred to as the "City of a Thousand Fountains" due to its numerous fountains, which are a popular attraction for visitors. Travellers can also explore the narrow streets of the Old Town, see the famous Cours Mirabeau boulevard, or take in the stunning views from the top of the Sainte-Victoire mountain, which overlooks the city. Aix-en-Provence is also known for its art and culture, with a number of museums, galleries, and festivals throughout the year, including the prestigious Festival d'Aix, which celebrates opera and classical music each summer. The city is also particularly famous for being the birthplace of the post-impressionist painter Paul Cézanne, and visitors can explore his former studio and the landscapes that inspired his work.

While exploring the historic Ano Poli, the Old City or Upper Town, you will stumble upon the old city wall and the Heptapyrgion. It is a Byzantine and Ottoman-era fortress. You can pay to see the renovated interior part, which used to serve as a prison from 1890 to 1990. Enjoy your urban hike up to the monument, check out the panoramic views and sip a frappe in one of the charming cafes in the area. Also known as Edy Kulѐ or Eptapirgio, 'Seven Towers', is a medieval fortress with towers in the northeastern part of Thessaloniki. Despite its name, the fortress has ten towers. The fortress was built in the IX century, and some parts of it were built later. Like the White Tower, it was used as a prison from the late 19th century until 1978.

Portland earned its CNN-recognized title of "home to the world's best street food" thanks to a unique phenomenon: the "food cart pods." These clusters of food trucks and stalls, which enjoy semi-permanent locations and often feature shared dining areas with tables and seats, offer a diverse array of cuisines. With several hundred food carts, you can find everything from classic Americana burgers to Korean-style tacos. Notable food cart pods include those on Fifth and Third Avenues in downtown Portland, as well as the Portland State University campus. Other popular pods are Cartopia and Cartlandia in Southeast Portland, Prost Marketplace in the Northeast, and Killingsworth Station, among several others.