Places Steve 55 Wants to Go

This stately palace, first built in the 16th century, was converted into a prison in 1830.

A magnificent menagerie of oddities, including taxidermy cryptids.

An abandoned masterpiece of Soviet Brutalist architecture.

Two planes stand abandoned after the closure of an aircraft-themed restaurant.

Once considered a marvel of engineering, there are now doubts about the structural integrity of this 5.4-mile cable-stayed bridge.

See reconstructed Spitfires and other World War II-era planes in a hangar originally used by the Royal Air Force.

Final resting place of the most prolific Fijian cannibal of all time.

A rare pod of derelict midcentury Futuro and Venturo houses lines a semi-abandoned beachfront resort outside Taipei.

A Taiwanese garden teems with the retired statues of the island's former dictator.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

A mud brick kasbah with a history of lavishness and traitorship.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

This nondescript building hides an entrance to an underground nuclear tunnel system.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

The English town of Mansfield likely got its name from this enigmatic breast-shaped mound rising abruptly from the earth.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

A chilling monument to Korean patriots who resisted the Japanese occupation.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.