A collection of 20th-century automata, penny arcade games, and musical contraptions.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A controversial memorial at the place where Captain Cook met his violent end.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

An experimental, automotive replica of Stonehenge.

The first declared National Monument in the United States.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

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

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

Hundreds of protractors affixed to surfaces all over the city.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.