A unique hotel for the artistic soul.

The enormous isokinetic structure hangs within a science center in Estonia.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

Relics from an era long gone, sit idle outside this Estonian museum.

This soviet pilot's graveyard is filled with headstones made of airplane fins.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

This small Estonian hill is covered in hand-made twig crosses that are said to bring good luck.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

A forest park outside Tallinn full of architectural and artistic curiosities.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

Mysterious craters may have been home to an ancient cult.

You can spend the night in Dr. Frank-N-Furter's castle.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Hidden beneath the streets of London is a secret subway that only carried mail.

This South London cemetery holds the remains of more than 15,000 people.

19th century tunnels burrowed under Liverpool.

A kaleidoscopic warehouse-maze of handmade neon signs.

An enormous, inside-out glass globe built in 1935.

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

Budapest's Communist-era statues, banished to the suburbs.

An abandoned underground bathroom is now a space for public art.

Once the home of a hermetic monk, this cave now houses a small church.