Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A barbarous band of serpents guard the bases of these Aztec temples.

A grand entrance to one of the world's smallest Chinatowns.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

The hot chocolate here all stems from small, sustainable microproducers in Chiapas and Tabasco.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

This wildlife refuge is home to more than 200 species of birds, as well as monkeys, lizards, and other wildlife.

Underneath this water pump, Annie Sullivan helped Keller speak her first words.

This fountain was commissioned by a mother grieving over her son's passing.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

A collection of huge Pre-Colombian structures in Alabama.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

A miniature city built by a single hunchbacked monk.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

A small museum celebrating the work of a Mississippi artist who had a unique connection with the natural world.

A brick-lined alley full of public artwork tucked away in downtown Gulfport.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.