Flamboyant architecture from the turn of 20th century.

An abstract monument to a symphonic composer.

A subterranean house of worship carved right out of the bedrock.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Once one of the largest producers of pig iron in the world.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

One of the first big sculptures anywhere in Australia.

Come for the flowers, stay for the bats!

This massive water spout has been luring visitors for hundreds of years, some to their death.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

This Costa Rican topiary park is a surreal garden of unearthly delights.

This Costa Rican chapel is the most metal church in the world, literally.

Cryptid lake monster honored with its own monument.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The site of Paul Revere's historic two lantern warning.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A 60-room castle constructed by a horse-racing heir.

Unicorns, elephants, and bears, oh my!

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.