Landmark Cards

Historic 17th-century merchants' houses line the city's famous waterways. These narrow, gabled buildings with distinctive facades are iconic symbols of Dutch Golden Age prosperity. The city has over 100 kilometers of canals and 1,500 bridges.

A historic city square that has witnessed coronations, military parades, and pivotal moments in Russian history for centuries. The name means "beautiful" in old Russian. St. Basil's Cathedral with its colorful onion domes dominates the southern end.

An ancient temple dedicated to Athena, goddess of wisdom, built in 438 BC atop the Acropolis hill. Its 46 Doric columns represent the pinnacle of classical Greek architecture and democracy. Athens is considered the birthplace of Western civilization.

A massive basalt arch monument built in 1924 to commemorate the visit of King George V. It stands 85 feet tall on the waterfront overlooking the Arabian Sea. Mumbai, formerly Bombay, is India's largest city and its financial capital with over 20 million people.

A complex of ornate buildings that served as Thailand's royal residence from 1782 to 1925. The intricate gold decorations and jeweled Buddha statues showcase traditional Thai craftsmanship. The 2.3 million square foot complex remains Thailand's holiest site.

The official residence of Norway's monarch since 1849, built in neoclassical style atop a hill overlooking the city. The palace has 173 rooms and sits at the end of Karl Johans gate, the main street. Oslo consistently ranks among the world's most expensive cities.

A vast palace complex that served as home to 24 emperors over 500 years of the Ming and Qing dynasties. With 980 buildings and nearly 9,000 rooms, commoners were forbidden from entering without permission. It's now a UNESCO World Heritage Site.

A wrought-iron lattice tower built in 1889 as the entrance to the World's Fair. Standing 1,083 feet tall, it was meant to be temporary but became the world's most-visited paid monument with 7 million visitors yearly. It's repainted every 7 years using 60 tons of paint.

Ancient tombs built over 4,500 years ago for Egyptian pharaohs. The Great Pyramid of Khufu contains 2.3 million stone blocks and remained the world's tallest structure for 3,800 years. The only surviving Wonder of the Ancient World, they're visible from space.

A magnificent 1,441-room Baroque palace that served as the summer residence of the Habsburg emperors. Mozart performed here as a child prodigy at age six. The palace gardens feature the world's oldest zoo, founded in 1752, and a stunning hilltop Gloriette pavilion.

Antoni Gaudí's unfinished masterpiece, under construction since 1882. This massive basilica combines Gothic and Art Nouveau styles with nature-inspired columns resembling trees. When completed around 2026, its tallest tower will reach 560 feet, making it Europe's tallest church.

An ancient amphitheater built in 80 AD that could hold 50,000 to 80,000 spectators watching gladiator battles, animal hunts, and mock sea battles. Taking only 8 years to construct, this engineering marvel had a retractable awning and is the largest amphitheater ever built.

A massive red sandstone fortress built by Mughal Emperor Shah Jahan in 1648 as his imperial residence. Its walls stretch nearly 1.5 miles and rise 75 feet high. Every year on Independence Day, India's Prime Minister raises the flag here and addresses the nation.

The world's tallest building, standing at 2,717 feet with 163 floors. Taking 6 years to build, its design was inspired by the hymenocallis desert flower. The observation deck on floor 148 offers views up to 80 kilometers on clear days. Dubai didn't exist as a city 50 years ago.

A 78-hectare nature reserve featuring Africa's longest canopy walkway at 401 meters. The elevated wooden boardwalk rises above mangrove swamps and wetlands, offering views of monkeys, crocodiles, and exotic birds. Lagos is Africa's largest city with over 21 million people.

A narrow waterway that separates Europe and Asia, connecting the Black Sea to the Mediterranean. Only 700 meters wide at its narrowest point, it's the world's busiest chokepoint for oil tankers. Istanbul is the only city in the world spanning two continents.

One of Europe's best-preserved medieval city centers, with winding cobblestone streets dating from the 13th century. The colorful 17th-century merchant houses were built on an island where Stockholm was founded. Mårten Trotzigs gränd, the narrowest alley, is just 90 cm wide.

The world's third-largest mosque, built on a platform over the Atlantic Ocean. Its minaret rises 689 feet—the tallest religious structure on Earth. The retractable roof can open to reveal the sky, and 25,000 worshippers can pray inside while 80,000 more gather in the courtyard.

Twin 88-story skyscrapers that held the title of world's tallest buildings from 1998 to 2004. Connected by a sky bridge at floors 41-42, the towers' design incorporates Islamic geometric patterns. The city's name means "muddy confluence" in Malay, referring to where two rivers meet.

The primary residence of Japan's Emperor, surrounded by moats and massive stone walls on the former site of Edo Castle. The famous Nijubashi double bridge creates one of Tokyo's most photographed scenes. While the inner palace is closed, the beautiful East Gardens are open to the public.

Vietnam's first national university, founded in 1070 to educate the sons of royalty and mandarins. Stone steles on turtle backs honor doctoral graduates from 600 years of exams. The tranquil complex of gardens, pavilions, and courtyards remains a symbol of Vietnamese learning and culture.