This micro-nation may be some sort of prank, but its constitution sure seems official.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

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

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

View Japan's most historic city from a cyberpunk walkway suspended 150 feet above the ground.

A displaced shrine that was put back after a string of bad luck.

This Japanese national treasure was originally built in 593.

This historic spot was where America's involvement in the Vietnam War officially came to an end.

These neon green and blue lakes are in the shadow of two huge volcanoes.

The world's first fully-fenced urban ecosanctuary is a haven for New Zealand's rare and endangered species.

This semi-permanent cathedral was built of cardboard, wood, and steel after Christchurch's 2011 earthquake.

A peninsula on a peninsula that becomes an island at high tide.

One of the largest collections of traditional Māori artifacts in New Zealand.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

An architectural oddity hides in plain sight on this iconic London bridge.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

Pop culture has helped to keep this iconic British building from being destroyed.