A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

This museum offers an actual time machine back through Colorado's past.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The site of Paul Revere's historic two lantern warning.

No one messes with the Massachusetts sacred cod, not this time...

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

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

A landscape decorated with enormous skull sculptures.

A contemporary art installation housed within a Gothic cathedral.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

The world's first electric battery-powered submarine.

Two 2,500-year-old Phoenician boats found on the coast of Spain, giving incredible insight into the ancient maritime traders.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

Cliffside houses provide a spectacular view from their perch above the valley.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.