Building this tragically pointless stone barrier cost the lives of the prisoners made to build it.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

A swing to dangle you off the very edge.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

This historic street in Quito is known for its seven stone crosses—and one presidential assassination.

A short volcanic hill in Quito doubles as a stellar observation point of an iconic statue.

Quito's historic, main square dates back to the 16th century.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

London's largest outsider art museum.

On the eve of a condemned prisoner's death, this bell rang 12 times outside their cell.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.