A blooming house of worship for the masses.

One of the world's tallest flagpoles.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

Historic medieval fortified city in southwest France.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

Giant cauldrons overflow with Uzbekistan's favorite rice dish at this cavernous dining hall.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

The deadliest diving spot in the world is also a stunning geological marvel.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The busy transport hub is home to the tallest airport slide in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

The Avenue of Mausolea is a series of grand palatial tombs.

A marvel of Byzantine engineering under the streets of Istanbul.

Romania's triumphal arch looks out over Bucharest.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This replica medieval European village in the Dominican Republic was built by a Hollywood set designer.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.