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

It's believed this golden brick is part of the legendary lost Aztec treasure.

Part bookstore, part café, and part forest.

This tiny garden was built specifically to provide a place of peace and serenity away from the busy city streets.

These subterranean models show Mexico City's central square during three different eras.

CDMX's home for the world's culinary delights.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

Located outside Medellín, this Colombian park focuses on conservation and sustainability.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

The colonial city's social history is reflected in its fanciful door knockers.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

A semi-scholarly approach to sex.

An artist's cute bronze subway sculptures belie his violent artistic past.

Elevated freight railway turned wildly successful urban park.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Art deco landmark on the outskirts of Washington, D.C.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.