Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The headquarters in Salem doubles as an occult art gallery.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Spain's largest bullring offers a unique glimpse at architecture and history.

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

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

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.

The remains of this misplaced church were moved here stone by stone.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

An early 20th-century bullring converted into a modern shopping center.

A bookstore dedicated to the intersection of comedy and art.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.