Sumptous memorial to a controversial independence.

This dangerous-looking suspension bridge may have been too unstable to remain open.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Ferdinand Magellan dubbed the world's largest water village the "Venice of the East."

The Boston square dedicated to the dark poet who was born nearby.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

This rare effigy of the author spent years lost in storage.

One of Sydney's oldest graveyards hides in plain sight behind a hospital.

Come for the flowers, stay for the bats!

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

This modern arts center is built around a gem of late-Baroque architecture.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

The artist behind this historical depiction of transportation remains a mystery.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

This eccentric cave dwelling is bizarre even by the standards of a subterranean town.

The longest fence in the world stretches over 3,000 miles to keep the dingoes out.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

Clusters of huge boulders in the Australian Outback.

The UFO capital of Australia is the outback’s answer to Roswell.

A small subculture of boat dwellers keep their traditional way of living alive at this Hong Kong Typhoon Shelter.

1% of Greenland's entire population used to live in this single building, which is now slated for demolition.