A lush oasis full of vibrant plants and striking geometric displays.

Perhaps the most spectacular grotto along the Algarve coastline.

The stunning interior of this Gothic church is covered in ornate gold details.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

On the outskirts of Ipoh, this sprawling temple complex is home to one of the world's tallest pagodas.

A tropical rainforest designed to resemble a scene from the monumental film.

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.

A delightful architectural wonder awaits on a lake island in Kuala Lumpur’s oldest park.

Extravagant mosque honors modern Islam.

The true meaning behind this sculpture remains unknown.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Charnel house at the foot of Mount Sinai.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

World's largest permanent maze made of 18,000 conifers.

Large Hadron Collider and the Birthplace of World Wide Web.

The largest monastery in Singapore is home to a crematorium, a college, and one of Asia’s largest indoor Buddha statues.

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

Singapore's landscaping project is home to 18 incredible Supertrees.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Canada's oldest railway tunnel is illuminated in a rainbow of color as it passes under the streets of this small city.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.