This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This giant, granite purse is one of Melbourne's most unique and distinctive pieces of public art.

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

Unusual finds in this shrine to local law enforcement include a 19th-century vampire-slaying kit.

Putt your way around Australia in a black light environment.

Come for the flowers, stay for the bats!

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

Perhaps the most spectacular grotto along the Algarve coastline.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

The stunning interior of this Gothic church is covered in ornate gold details.

This charming candle shop has been in business since 1789.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Houses are tucked between, on, and underneath giant boulders.

Thrilling and delicious complement to any dining experience.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.