This lucky bronze frog was gifted to Madrid by a casino.

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

Kingly French toast comes soaked in milk or red wine, then drizzled in a citrus-perfumed syrup.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

An automaton perched above an classic clock and watch store

This little sun pays homage to a massive gate that once stood at this location.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

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

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

Automatons that were once removed after one fell from the building.

This sculpture pays homage to the street sweepers of Madrid since its inauguration in 2001 in Plaza Jacinto Benavente.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

Oldest synagogue in the United States.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Mysterious stone tower featured in many alternative histories of the New World.

Dedicated to the explorer who opened Japan to the West.

The home of the artist credited with introducing the tomato to the American diet.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

A single light illuminates one man's overshadowed contributions to street lamp history.

Designed to not only to represent the history of the local community but also, the future.

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