This expansive bridge in the Canadian wilderness was originally just built for friends.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The oldest volcanology research center in the world.

The glowing blue Nymphaeum of Emperor Tiberius.

An elegant church is home to a remarkably detailed mosaic floor depicting the Garden of Eden.

The enchanting home of an eccentric Swedish physicist and author sits in the hills of Anacapri.

This clifftop arch is a natural stunner.

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

Fortified medieval tower house with lovely roof garden.

This historic square in Nepal is home to temples dating back to the third century.

A brick building in Kathmandu's Durbar Square is home to Nepal's most prominent living goddess.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

The largest Chinese cemetery in the world outside of China dates back to the 15th century.

Built by the Portuguese colonists in the early 16th century, this fort is one of the oldest European structure in Asia.

A secluded, little-known temple hidden amid the dense jungle.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

A small 12th-century temple surrounded by waters believed to have curative properties.

The oldest Anglican church in Southeast Asia.

Once the private home of China’s most legendary tycoon, getting inside this stunning mansion no longer requires an elite pedigree or acts of daring.

This Theravada Buddhist temple is a peaceful oasis steeped in history.

Come in, light some incense, and ignore the live snakes around you.

This dangerous-looking suspension bridge may have been too unstable to remain open.