An ancient Egyptian temple in the middle of Madrid, Spain.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

Visitors to this library are in for a real-world education in modernist architecture.

Largest man-made excavation on earth!

Jurassic Park—A Still Life.

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

North America's largest accredited model railroad museum.

The site of murders and Satanic cult gatherings.

Oldest building in California still in use.

Museum dedicated to the preservation of surf culture.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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

The first declared National Monument in the United States.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

One of the smallest towns in the United States.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The maritime museum that boasts the largest nautical library in the western hemisphere.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A monument to the egos of two railroad magnates that fell into decline along with their careers.