A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

A boardwalk winds through this sliver of coastal nature hidden within Sydney.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

This former military installation was turned into a discipline center by the Taiwanese Navy.

The tangled roots of a giant banyan tree have fully reclaimed the ruins of this abandoned warehouse.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

A collection of artifacts from Maryland's maritime past.

Mountain where Jesus was first tempted by the Devil.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This hidden labyrinth offers walkers some brief peace of mind.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

This pun was simply waiting to come to life, and one defense contractor made it so.

This impressive Boston holy house is the American mecca for Christian scientists.

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

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.