This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

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 mural changes every few years.

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

An eccentric inventor's castle home with its own indoor weather system.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

This historic hotel was once home to Henry David Thoreau and rumored to be haunted by ghosts of fallen soldiers from the American Revolution.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

The first newspaper printed by an expeditionary force was published in this colonial mansion.

This small museum is home to cannons cast by Paul Revere and the last remaining uniform of Egyptian President Anwar Sadat.

Eat the ultimate iteration of Portugal's most beloved pastry.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This charming candle shop has been in business since 1789.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The world's oldest bookshop still in operation.

Step back in time at this 19th-century kiosk.

This giant sculpture made of trash is a critique of society's wastefulness.

Ancient catacombs form the foundation for this Rococo orgy of a church.

The stunning interior of this Gothic church is covered in ornate gold details.

Elaborate tile work in this railway station tells the story of Portugal.

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