Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

A stunning example of traditional salt production set against a dramatic volcanic landscape.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

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.

One of the shortest streets in York has an especially odd name.

A century-old tradition has culminated in a small but singular collection of feline effigies.

Over time, this castle grew to encompass the entire island.

A symbol of Texas pride.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

The former "holiday home" for monks at the Durham Cathedral.

Though this bridge was originally built in the 12th century, only one of its 10 arches dates back that far.

This World War II bunker is now a shrine covered with sea shells.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

One of the oldest Rolls-Royce automobiles in existence, this vehicle was once driven by Henry Royce himself.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.