Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

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

A museum in the former home of Marxist revolutionary Leon Trotsky.

The only castle in North America to ever house European sovereigns.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

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

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

The former home of the famed revolutionary Pancho Villa is now a museum in his honor.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

A rim-made reptile in North Dakota.

The world's largest Holstein cow.

An ode to South Dakota's state fish.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This colossal reptile celebrates the history of the now-defunct Canadian Turtle Derby.

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

The first Russian Orthodox church in North America and an Alaskan landmark.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

The cultural center preserves the history of the Tlingit tribe, who have lived in this Alaska village for more than 10,000 years.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.