Ozymandias’ time-keeping temple.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Repository for more than 22 million pickled specimens.

The anatomical-pathological collection of a man who changed surgery.

The curios of pharmacist and collector Henry Wellcome.

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

One part local history, 99 parts gruesome haunted house.

Eighty million natural history specimens call this gargantuan museum home.

Pay homage to a mysterious feline artifact outside of this Florida museum.

Longest fortress system anywhere in Europe.

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

This collection of 20th-century toys is filled with a lifelong personal toy collection brought from the U.S. to Amsterdam.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Macabre astrological automaton clock dating to the late 1400s.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

The last remnant of Kuala Lumpur’s old prison complex now stands on the edge of a Japanese shopping mall.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.