A pair of gigantic baby heads greet passengers at Atocha Station.

An extra-wide chair built to accommodate the former president's big behind.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

The headquarters of the famous Yale society.

The Connecticut village named for its subterranean thunder.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

At least according to the Guinness World Records.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

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

Order cookies baked by cloistered nuns in a 400-year-old monastery.

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

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

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

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.

This defunct, fortress-like prison has been the setting for several movies.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.

What remains of the summer palace of King Kamehameha III.

Race through the maze, get your name on the sign.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Journey inside the bowels of this sperm whale sculpture.