This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

New York's southernmost subway station is whimsically wavy.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

A colorful "forest" made entirely from three tons of recycled plastic waste.

Frida Kahlo's childhood home, now a museum of her life and works.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

66,000 pieces of art, donated by one of the world's richest men.

A quirky and charming restaurant founded by artists.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

One of the world's tallest statues is also one of its most hated.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

This colonial town in Colombia sits around the largest stone paved square in South America.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

The centuries-old trees are draped with Spanish moss to make them look like wizened elders.

A self-taught astronomer fell in love with the stars and built his own observatory in Colombia.

This small bridge serves as a symbol of South America's independence.

This tiny shop has been serving traditional tamales for more than 200 years.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

A turquoise lake within a volcanic crater.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

On the Hudson resides one of the largest clocks in the world.

A small token of gratitude from freezing cold journalists who were given a warm haven while covering JFK's inauguration.